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## TL;DR When the setter function returned by the hook is called in React, it schedules an update to the component's…

## TL;DR The virtual DOM in React is a lightweight copy of the actual DOM. When the state of a component changes, Rea…

## TL;DR Both hooks run side effects after render, but they differ in when they fire relative to paint: - runs as…

## TL;DR The presentational vs container component pattern (also known as "dumb vs smart components") splits componen…

## TL;DR The composition pattern in React is the practice of building UIs by combining smaller, reusable components i…

## TL;DR Static generation (SSG) pre-renders pages to HTML at build time, instead of rendering them per request. The…

## TL;DR Server-side rendering (SSR) in React involves rendering React components on the server and sending the resul…

## TL;DR The most idiomatic way to reset a component's state in React is to give the component a prop and change it…

## TL;DR React Portals are used to render children into a DOM node that exists outside the hierarchy of the parent co…

## TL;DR A React Node is anything React can render: a React Element, a string, a number, an array of nodes, a fragmen…

## TL;DR React hydration is the process of attaching event listeners and making a server-rendered HTML page interacti…

## TL;DR Match the tool to the kind of state. Use / for local component state, and lift state up before reaching for…

## TL;DR In React, one-way data flow means that data moves in a single direction: from parent components down to chil…

## TL;DR The prop tells React how to identify each child in a list across renders so it can match the right componen…

## TL;DR To localize a React application, you typically use a library like or . First, you set up your translation f…

## TL;DR In a modern React app, don't roll your own + for data loading — the React docs explicitly recommend agains…

## TL;DR The Flux pattern is an architectural design Facebook introduced for managing state in React applications. It…

## TL;DR To debug React applications, use the React Developer Tools browser extension to inspect the component tree,…

## TL;DR A controlled component drives a form input from React state — you pass / plus an handler, and React state i…

<!-- Update here: /questions/when-would-you-use-document-write/en-US.mdx --> is rarely used in modern web development b…

<!-- Update here: /questions/what-are-some-of-the-advantages-disadvantages-of-writing-javascript-code-in-a-language-that…

<!-- Update here: /questions/how-do-you-organize-your-code-module-pattern-classical-inheritance/en-US.mdx --> I organize…

<!-- Update here: /questions/how-can-you-share-code-between-files/en-US.mdx --> To share code between JavaScript files,…

<!-- Update here: /questions/explain-what-a-single-page-app-is-and-how-to-make-one-seo-friendly/en-US.mdx --> A single p…

<!-- Update here: /questions/how-does-javascript-garbage-collection-work/en-US.mdx --> Garbage collection in JavaScript…

<!-- Update here: /questions/what-tools-and-techniques-do-you-use-for-debugging-javascript-code/en-US.mdx --> Some of th…

<!-- Update here: /questions/what-is-use-strict-what-are-the-advantages-and-disadvantages-to-using-it/en-US.mdx --> is…

<!-- Update here: /questions/explain-the-same-origin-policy-with-regards-to-javascript/en-US.mdx --> The same-origin pol…

<!-- Update here: /questions/how-can-you-implement-secure-authentication-and-authorization-in-javascript-applications/en…

<!-- Update here: /questions/what-are-some-tools-and-techniques-for-identifying-security-vulnerabilities-in-javascript-c…

<!-- Update here: /questions/explain-the-concept-of-input-validation-and-its-importance-in-security/en-US.mdx --> Input…

<!-- Update here: /questions/how-can-you-prevent-clickjacking-attacks/en-US.mdx --> To prevent clickjacking attacks, you…

<!-- Update here: /questions/what-are-some-common-security-headers-and-their-purpose/en-US.mdx --> Security headers are…

<!-- Update here: /questions/explain-the-concept-of-content-security-policy-csp-and-how-it-enhances-security/en-US.mdx -…

<!-- Update here: /questions/what-are-some-best-practices-for-handling-sensitive-data-in-javascript/en-US.mdx --> Handli…

<!-- Update here: /questions/how-can-you-prevent-sql-injection-vulnerabilities-in-javascript-applications/en-US.mdx -->…

<!-- Update here: /questions/explain-the-concept-of-cross-site-request-forgery-csrf-and-its-mitigation-techniques/en-US.…

<!-- Update here: /questions/what-is-cross-site-scripting-xss-and-how-can-you-prevent-it/en-US.mdx --> Cross-Site Script…

<!-- Update here: /questions/why-is-extending-built-in-javascript-objects-not-a-good-idea/en-US.mdx --> Extending a buil…

<!-- Update here: /questions/what-is-the-command-pattern-and-how-is-it-used/en-US.mdx --> The Command pattern is a behav…

<!-- Update here: /questions/explain-the-concept-of-the-strategy-pattern/en-US.mdx --> The Strategy pattern is a behavio…

<!-- Update here: /questions/what-is-the-decorator-pattern-and-how-is-it-used/en-US.mdx --> The Decorator pattern is a s…

<!-- Update here: /questions/explain-the-concept-of-the-prototype-pattern/en-US.mdx --> The Prototype pattern is a creat…

<!-- Update here: /questions/what-is-the-module-pattern-and-how-does-it-help-with-encapsulation/en-US.mdx --> The Module…

<!-- Update here: /questions/explain-the-observer-pattern-and-its-use-cases/en-US.mdx --> The Observer pattern is a desi…

<!-- Update here: /questions/what-is-the-factory-pattern-and-how-is-it-used/en-US.mdx --> The Factory pattern is a desig…

<!-- Update here: /questions/explain-the-concept-of-the-singleton-pattern/en-US.mdx --> The Singleton pattern ensures th…

<!-- Update here: /questions/what-are-design-patterns-and-why-are-they-useful/en-US.mdx --> Design patterns are reusable…

<!-- Update here: /questions/what-are-some-tools-that-can-be-used-for-javascript-testing/en-US.mdx --> For JavaScript te…

<!-- Update here: /questions/explain-the-concept-of-code-coverage-and-how-it-can-be-used-to-assess-test-quality/en-US.md…

<!-- Update here: /questions/what-are-some-best-practices-for-writing-maintainable-and-effective-tests/en-US.mdx --> To…

<!-- Update here: /questions/how-can-you-test-asynchronous-code-in-javascript/en-US.mdx --> To test asynchronous code in…

<!-- Update here: /questions/what-are-mocks-and-stubs-and-how-are-they-used-in-testing/en-US.mdx --> Mocks and stubs are…

<!-- Update here: /questions/explain-the-concept-of-test-driven-development-tdd/en-US.mdx --> Test-driven development (T…

<!-- Update here: /questions/how-do-you-write-unit-tests-for-javascript-code/en-US.mdx --> To write unit tests for JavaS…

<!-- Update here: /questions/what-are-some-popular-javascript-testing-frameworks/en-US.mdx --> Some popular JavaScript t…

<!-- Update here: /questions/explain-the-difference-between-unit-testing-integration-testing-and-end-to-end-testing/en-U…

<!-- Update here: /questions/what-are-the-different-types-of-testing-in-software-development/en-US.mdx --> In software d…

<!-- Update here: /questions/how-can-you-optimize-network-requests-for-better-performance/en-US.mdx --> To optimize netw…

<!-- Update here: /questions/what-are-some-tools-that-can-be-used-to-measure-and-analyze-javascript-performance/en-US.md…

<!-- Update here: /questions/explain-the-concept-of-caching-and-how-it-can-be-used-to-improve-performance/en-US.mdx -->…

<!-- Update here: /questions/what-are-web-workers-and-how-can-they-be-used-to-improve-performance/en-US.mdx --> Web Work…

<!-- Update here: /questions/explain-the-concept-of-lazy-loading-and-how-it-can-improve-performance/en-US.mdx --> Lazy l…

<!-- Update here: /questions/what-are-some-techniques-for-reducing-reflows-and-repaints/en-US.mdx --> To reduce reflows…

<!-- Update here: /questions/how-can-you-optimize-dom-manipulation-for-better-performance/en-US.mdx --> To optimize DOM…

<!-- Update here: /questions/explain-the-concept-of-debouncing-and-throttling/en-US.mdx --> Debouncing and throttling ar…

<!-- Update here: /questions/what-are-some-common-performance-bottlenecks-in-javascript-applications/en-US.mdx --> Commo…

<!-- Update here: /questions/how-do-sets-and-maps-handle-equality-checks-for-objects/en-US.mdx --> s and s in JavaScript…

<!-- Update here: /questions/what-is-the-difference-between-a-map-object-and-a-plain-object-in-javascript/en-US.mdx -->…

<!-- Update here: /questions/how-do-you-convert-a-set-to-an-array-in-javascript/en-US.mdx --> To convert a to an array…

<!-- Update here: /questions/what-are-the-differences-between-map-set-and-weakmap-weakset/en-US.mdx --> The primary diff…

<!-- Update here: /questions/what-are-sets-and-maps-and-how-are-they-used/en-US.mdx --> s and s are built-in JavaScript…

<!-- Update here: /questions/how-do-currying-and-partial-application-differ-from-each-other/en-US.mdx --> Currying trans…

<!-- Update here: /questions/provide-some-examples-of-how-currying-and-partial-application-can-be-used/en-US.mdx --> Cur…

<!-- Update here: /questions/what-are-the-benefits-of-using-currying-and-partial-application/en-US.mdx --> Currying tran…

<!-- Update here: /questions/explain-the-concept-of-partial-application/en-US.mdx --> Partial application is a technique…

<!-- Update here: /questions/what-is-currying-and-how-does-it-work/en-US.mdx --> Currying is a technique in functional p…

<!-- Update here: /questions/explain-the-concept-of-error-propagation-in-javascript/en-US.mdx --> Error propagation in J…

<!-- Update here: /questions/how-can-you-create-custom-error-objects/en-US.mdx --> To create custom error objects in Jav…

<!-- Update here: /questions/what-is-the-purpose-of-the-finally-block/en-US.mdx --> The block in JavaScript is used to…

<!-- Update here: /questions/how-do-you-handle-errors-using-trycatch-blocks/en-US.mdx --> To handle errors using blocks…

<!-- Update here: /questions/what-are-the-different-types-of-errors-in-javascript/en-US.mdx --> In JavaScript, there are…

<!-- Update here: /questions/what-do-you-think-of-amd-vs-commonjs/en-US.mdx --> JavaScript has evolved its module system…

<!-- Update here: /questions/what-are-the-metadata-fields-of-a-module/en-US.mdx --> Metadata fields of a module typicall…

<!-- Update here: /questions/explain-the-concept-of-tree-shaking-in-module-bundling/en-US.mdx --> Tree shaking is a tech…

<!-- Update here: /questions/what-are-the-benefits-of-using-a-module-bundler/en-US.mdx --> Using a module bundler like W…

<!-- Update here: /questions/how-do-you-import-and-export-modules-in-javascript/en-US.mdx --> In JavaScript, you can imp…

<!-- Update here: /questions/explain-the-differences-between-commonjs-modules-and-es-modules/en-US.mdx --> In JavaScript…

<!-- Update here: /questions/what-are-modules-and-why-are-they-useful/en-US.mdx --> Modules are reusable pieces of code…

<!-- Update here: /questions/what-are-progressive-web-applications-pwas/en-US.mdx --> Progressive Web Applications (PWAs…

<!-- Update here: /questions/what-are-server-sent-events/en-US.mdx --> [Server-sent events (SSE)](https://html.spec.what…

<!-- Update here: /questions/how-do-you-get-the-query-string-values-of-the-current-page-in-javascript/en-US.mdx --> To g…

<!-- Update here: /questions/how-do-you-redirect-to-a-new-page-in-javascript/en-US.mdx --> To redirect to a new page in…

<!-- Update here: /questions/difference-between-document-load-event-and-document-domcontentloaded-event/en-US.mdx --> Th…

<!-- Update here: /questions/how-do-iframe-on-a-page-communicate/en-US.mdx --> elements on a page can communicate using…

<!-- Update here: /questions/how-do-you-use-windowhistory-api/en-US.mdx --> The API allows you to manipulate the browse…

<!-- Update here: /questions/how-do-you-validate-form-elements-using-the-constraint-validation-api/en-US.mdx --> The Con…

<!-- Update here: /questions/what-is-the-intl-namespace-object-for/en-US.mdx --> The namespace object in JavaScript is…

<!-- Update here: /questions/how-do-you-detect-if-javascript-is-disabled-on-a-page/en-US.mdx --> To detect if JavaScript…

<!-- Update here: /questions/what-are-javascript-polyfills-for/en-US.mdx --> Polyfills in JavaScript are pieces of code…

<!-- Update here: /questions/explain-the-concept-of-the-web-socket-api/en-US.mdx --> The WebSocket API provides a way to…

<!-- Update here: /questions/what-are-workers-in-javascript-used-for/en-US.mdx --> Workers in JavaScript are background…

<!-- Update here: /questions/explain-how-jsonp-works-and-how-its-not-really-ajax/en-US.mdx --> JSONP (JSON with Padding)…

<!-- Update here: /questions/how-do-you-abort-a-web-request-using-abortcontrollers/en-US.mdx --> is used to cancel ongo…

<!-- Update here: /questions/what-are-the-differences-between-xmlhttprequest-and-fetch/en-US.mdx --> (XHR) and API are…

<!-- Update here: /questions/what-are-the-advantages-and-disadvantages-of-using-ajax/en-US.mdx --> AJAX (Asynchronous Ja…

<!-- Update here: /questions/explain-ajax-in-as-much-detail-as-possible/en-US.mdx --> AJAX (Asynchronous JavaScript and…

<!-- Update here: /questions/what-are-the-different-ways-to-make-an-api-call-in-javascript/en-US.mdx --> In JavaScript,…

<!-- Update here: /questions/how-do-you-make-an-http-request-using-the-fetch-api/en-US.mdx --> To make an HTTP request u…

<!-- Update here: /questions/describe-the-difference-between-a-cookie-sessionstorage-and-localstorage/en-US.mdx --> All…

<!-- Update here: /questions/what-is-the-difference-between-the-window-object-and-the-document-object/en-US.mdx --> The…

<!-- Update here: /questions/describe-the-difference-between-script-async-and-script-defer/en-US.mdx --> All of these wa…

<!-- Update here: /questions/how-do-you-manipulate-css-styles-using-javascript/en-US.mdx --> You can manipulate CSS styl…

<!-- Update here: /questions/what-is-the-difference-between-innerhtml-and-textcontent/en-US.mdx --> and are both prope…

<!-- Update here: /questions/what-is-the-difference-between-mouseenter-and-mouseover-event/en-US.mdx --> The main differ…

<!-- Update here: /questions/what-is-the-difference-between-eventpreventdefault-and-eventstoppropagation/en-US.mdx -->…

<!-- Update here: /questions/how-do-you-prevent-the-default-behavior-of-an-event/en-US.mdx --> To prevent the default be…

<!-- Update here: /questions/explain-event-delegation/en-US.mdx --> Event delegation is a technique in JavaScript where…

<!-- Update here: /questions/describe-event-capturing/en-US.mdx --> Event capturing is a lesser-used counterpart to [eve…

<!-- Update here: /questions/describe-event-bubbling/en-US.mdx --> Event bubbling is a DOM event propagation mechanism w…

<!-- Update here: /questions/explain-the-event-phases-in-a-browser/en-US.mdx --> In a browser, events go through three p…

<!-- Update here: /questions/what-are-event-listeners-and-how-are-they-used/en-US.mdx --> Event listeners are functions…

<!-- Update here: /questions/how-do-you-add-remove-and-modify-html-elements-using-javascript/en-US.mdx --> To add, remov…

<!-- Update here: /questions/explain-the-difference-between-documentqueryselector-and-documentgetelementbyid/en-US.mdx -…

<!-- Update here: /questions/whats-the-difference-between-an-attribute-and-a-property/en-US.mdx --> Attributes are defin…

<!-- Update here: /questions/what-is-the-dom-and-how-is-it-structured/en-US.mdx --> The DOM, or Document Object Model, i…

<!-- Update here: /questions/explain-the-concept-of-this-binding-in-event-handlers/en-US.mdx --> In JavaScript, the key…

<!-- Update here: /questions/what-are-the-common-pitfalls-of-using-the-this-keyword/en-US.mdx --> The keyword in JavaSc…

<!-- Update here: /questions/explain-the-different-ways-the-this-keyword-can-be-bound/en-US.mdx --> The keyword in Java…

<!-- Update here: /questions/explain-function-prototype-bind/en-US.mdx --> is a method in JavaScript that allows you to…

<!-- Update here: /questions/explain-how-this-works-in-javascript/en-US.mdx --> There's no simple explanation for ; it i…

<!-- Update here: /questions/explain-the-difference-between-global-scope-function-scope-and-block-scope/en-US.mdx --> Gl…

<!-- Update here: /questions/what-are-the-potential-pitfalls-of-using-closures/en-US.mdx --> Closures can lead to memory…

<!-- Update here: /questions/how-can-closures-be-used-to-create-private-variables/en-US.mdx --> Closures in JavaScript c…

<!-- Update here: /questions/explain-the-concept-of-scope-in-javascript/en-US.mdx --> In JavaScript, scope determines th…

<!-- Update here: /questions/explain-the-concept-of-lexical-scoping/en-US.mdx --> Lexical scoping means that the scope o…

<!-- Update here: /questions/what-is-a-closure-and-how-why-would-you-use-one/en-US.mdx --> In the book ["You Don't Know…

<!-- Update here: /questions/why-you-might-want-to-create-static-class-members/en-US.mdx --> Static class members (prope…

<!-- Update here: /questions/what-advantage-is-there-for-using-the-arrow-syntax-for-a-method-in-a-constructor/en-US.mdx…

<!-- Update here: /questions/what-are-the-differences-between-es6-class-and-es5-function-constructors/en-US.mdx --> ES20…

<!-- Update here: /questions/how-do-you-create-a-constructor-function/en-US.mdx --> To create a constructor function in…

<!-- Update here: /questions/what-is-the-purpose-of-the-new-keyword/en-US.mdx --> The keyword in JavaScript is used to…

<!-- Update here: /questions/explain-the-concept-of-inheritance-in-es2015-classes/en-US.mdx --> Inheritance in ES2015 cl…

<!-- Update here: /questions/explain-the-difference-between-classical-inheritance-and-prototypal-inheritance/en-US.mdx -…

<!-- Update here: /questions/what-is-the-prototype-chain-and-how-does-it-work/en-US.mdx --> The prototype chain is a mec…

<!-- Update here: /questions/explain-how-prototypal-inheritance-works/en-US.mdx --> Prototypical inheritance in JavaScri…

<!-- Update here: /questions/what-is-the-difference-between-settimeout-setimmediate-and-processnexttick/en-US.mdx --> s…

<!-- Update here: /questions/explain-the-concept-of-a-microtask-queue/en-US.mdx --> The microtask queue is a queue of ta…

<!-- Update here: /questions/how-do-you-handle-errors-in-asynchronous-operations/en-US.mdx --> To handle errors in async…

<!-- Update here: /questions/what-is-asyncawait-and-how-does-it-simplify-asynchronous-code/en-US.mdx --> is a modern sy…

<!-- Update here: /questions/how-is-promiseall-different-from-promiseallsettled/en-US.mdx --> and are both methods for…

<!-- Update here: /questions/what-is-the-use-of-promiseall/en-US.mdx --> is a method in JavaScript that takes an array…

<!-- Update here: /questions/what-are-the-pros-and-cons-of-using-promises-instead-of-callbacks/en-US.mdx --> Promises of…

<!-- Update here: /questions/explain-the-different-states-of-a-promise/en-US.mdx --> A in JavaScript can be in one of t…

<!-- Update here: /questions/what-are-promises-and-how-do-they-work/en-US.mdx --> Promises in JavaScript are objects tha…

<!-- Update here: /questions/explain-the-concept-of-a-callback-function-in-asynchronous-operations/en-US.mdx --> A callb…

<!-- Update here: /questions/explain-the-difference-between-synchronous-and-asynchronous-functions/en-US.mdx --> Synchro…

<!-- Update here: /questions/what-is-event-loop-what-is-the-difference-between-call-stack-and-task-queue/en-US.mdx --> T…

<!-- Update here: /questions/how-do-you-reliably-determine-whether-an-object-is-empty/en-US.mdx --> To reliably determin…

<!-- Update here: /questions/what-are-javascript-object-property-flags-and-descriptors/en-US.mdx --> In JavaScript, prop…

<!-- Update here: /questions/what-are-javascript-object-getters-and-setters-for/en-US.mdx --> JavaScript object getters…

<!-- Update here: /questions/what-is-objectpreventextensions-for/en-US.mdx --> is a method in JavaScript that prevents…

<!-- Update here: /questions/what-is-objectseal-for/en-US.mdx --> is used to prevent new properties from being added to…

<!-- Update here: /questions/what-is-objectfreeze-for/en-US.mdx --> is used to make an object immutable. Once an object…

<!-- Update here: /questions/explain-the-concept-of-destructuring-assignment-for-objects-and-arrays/en-US.mdx --> Destru…

<!-- Update here: /questions/explain-the-difference-between-mutable-and-immutable-objects/en-US.mdx --> Mutable objects…

<!-- Update here: /questions/how-do-you-check-if-an-object-has-a-specific-property/en-US.mdx --> To check if an object h…

<!-- Update here: /questions/what-are-the-advantages-of-using-the-spread-operator-with-arrays-and-objects/en-US.mdx -->…

<!-- Update here: /questions/explain-the-difference-between-shallow-copy-and-deep-copy/en-US.mdx --> A shallow copy dupl…

<!-- Update here: /questions/what-are-the-different-ways-to-copy-an-object-or-an-array/en-US.mdx --> To copy an object o…

<!-- Update here: /questions/how-do-you-add-remove-and-update-elements-in-an-array/en-US.mdx --> To add elements to an a…

<!-- Update here: /questions/what-are-the-different-methods-for-iterating-over-an-array/en-US.mdx --> There are several…

<!-- Update here: /questions/explain-the-difference-between-dot-notation-and-bracket-notation-for-accessing-object-prope…

<!-- Update here: /questions/what-are-the-various-ways-to-create-objects-in-javascript/en-US.mdx --> Creating objects in…

<!-- Update here: /questions/explain-why-the-following-doesnt-work-as-an-iife-function-foo--what-needs-to-be-changed-to-…

<!-- Update here: /questions/what-are-default-parameters-and-how-are-they-used/en-US.mdx --> Default parameters in JavaS…

<!-- Update here: /questions/what-is-recursion-and-how-is-it-used-in-javascript/en-US.mdx --> Recursion is a programming…

<!-- Update here: /questions/whats-a-typical-use-case-for-anonymous-functions/en-US.mdx --> An anonymous function in Jav…

<!-- Update here: /questions/what-are-callback-functions-and-how-are-they-used/en-US.mdx --> A callback function is a fu…

<!-- Update here: /questions/what-is-the-definition-of-a-higher-order-function/en-US.mdx --> A higher-order function is…

<!-- Update here: /questions/difference-between-function-person-var-person-person-and-var-person-new-person/en-US.mdx --…

<!-- Update here: /questions/can-you-offer-a-use-case-for-the-new-arrow-function-syntax-how-does-this-new-syntax-differ-…

<!-- Update here: /questions/whats-the-difference-between-call-and-apply/en-US.mdx --> and are both used to invoke fun…

<!-- Update here: /questions/explain-the-concept-of-hoisting-with-regards-to-functions/en-US.mdx --> Hoisting in JavaScr…

<!-- Update here: /questions/what-is-the-difference-between-a-parameter-and-an-argument/en-US.mdx --> A parameter is a v…

<!-- Update here: /questions/explain-the-differences-on-the-usage-of-foo-between-function-foo-and-var-foo-function/en-US…

<!-- Update here: /questions/what-are-iterators-and-generators-and-what-are-they-used-for/en-US.mdx --> In JavaScript, i…

<!-- Update here: /questions/what-are-the-benefits-of-using-spread-syntax-and-how-is-it-different-from-rest-syntax/en-US…

<!-- Update here: /questions/explain-the-concept-of-the-spread-operator-and-its-uses/en-US.mdx --> The spread operator (…

<!-- Update here: /questions/what-are-rest-parameters-and-how-are-they-used/en-US.mdx --> Rest parameters in JavaScript…

<!-- Update here: /questions/what-is-the-purpose-of-the-switch-statement/en-US.mdx --> The statement is used to execute…

<!-- Update here: /questions/how-do-you-access-the-index-of-an-element-in-an-array-during-iteration/en-US.mdx --> To acc…

<!-- Update here: /questions/what-is-the-ternary-operator-and-how-is-it-used/en-US.mdx --> The ternary operator is a sho…

<!-- Update here: /questions/what-is-the-purpose-of-the-break-and-continue-statements/en-US.mdx --> The statement is us…

<!-- Update here: /questions/what-language-constructs-do-you-use-for-iterating-over-object-properties-and-array-items/en…

<!-- Update here: /questions/what-is-the-difference-between-double-equal-and-triple-equal/en-US.mdx --> is the abstract…

<!-- Update here: /questions/how-can-you-avoid-problems-related-to-hoisting/en-US.mdx --> To avoid problems related to h…

<!-- Update here: /questions/what-are-the-potential-issues-caused-by-hoisting/en-US.mdx --> Hoisting can lead to unexpec…

<!-- Update here: /questions/how-does-hoisting-affect-function-declarations-and-expressions/en-US.mdx --> Hoisting in Ja…

<!-- Update here: /questions/explain-the-difference-in-hoisting-between-var-let-and-const/en-US.mdx --> declarations ar…

<!-- Update here: /questions/explain-hoisting/en-US.mdx --> Hoisting is a JavaScript mechanism where variable and functi…

<!-- Update here: /questions/what-are-proxies-in-javascript-used-for/en-US.mdx --> In JavaScript, a proxy is an object t…

<!-- Update here: /questions/what-are-symbols-used-for/en-US.mdx --> s in JavaScript are a new primitive data type intro…

<!-- Update here: /questions/what-is-the-spread-operator-and-how-is-it-used/en-US.mdx --> The spread operator, represent…

<!-- Update here: /questions/explain-the-concept-of-tagged-templates/en-US.mdx --> Tagged templates in JavaScript allow…

<!-- Update here: /questions/what-are-template-literals-and-how-are-they-used/en-US.mdx --> Template literals are a feat…

<!-- Update here: /questions/how-do-you-convert-a-string-to-a-number-in-javascript/en-US.mdx --> In JavaScript, you can…

<!-- Update here: /questions/why-is-it-in-general-a-good-idea-to-leave-the-global-scope-of-a-website-as-is-and-never-tou…

<!-- Update here: /questions/what-are-the-differences-between-variables-created-using-let-var-or-const/en-US.mdx --> In…

<!-- Update here: /questions/whats-the-difference-between-a-variable-that-is-null-undefined-or-undeclared-how-would-you-…

<!-- Update here: /questions/how-do-you-check-the-data-type-of-a-variable/en-US.mdx --> To check the data type of a vari…

<!-- Update here: /questions/what-are-the-various-data-types-in-javascript/en-US.mdx --> In JavaScript, data types can b…

<!-- Update here: /questions/how-does-javascript-garbage-collection-work/en-US.mdx --> Garbage collection in JavaScript…

<!-- Update here: /questions/what-are-workers-in-javascript-used-for/en-US.mdx --> Workers in JavaScript are background…

<!-- Update here: /questions/what-tools-and-techniques-do-you-use-for-debugging-javascript-code/en-US.mdx --> Some of th…

<!-- Update here: /questions/what-are-proxies-in-javascript-used-for/en-US.mdx --> In JavaScript, a proxy is an object t…

<!-- Update here: /questions/what-are-javascript-object-getters-and-setters-for/en-US.mdx --> JavaScript object getters…

<!-- Update here: /questions/what-are-javascript-object-property-flags-and-descriptors/en-US.mdx --> In JavaScript, prop…

<!-- Update here: /questions/what-are-server-sent-events/en-US.mdx --> [Server-sent events (SSE)](https://html.spec.what…

<!-- Update here: /questions/what-are-symbols-used-for/en-US.mdx --> s in JavaScript are a new primitive data type intro…

<!-- Update here: /questions/why-you-might-want-to-create-static-class-members/en-US.mdx --> Static class members (prope…

<!-- Update here: /questions/what-are-the-differences-between-map-set-and-weakmap-weakset/en-US.mdx --> The primary diff…

<!-- Update here: /questions/what-is-the-difference-between-a-map-object-and-a-plain-object-in-javascript/en-US.mdx -->…

<!-- Update here: /questions/explain-the-difference-between-mutable-and-immutable-objects/en-US.mdx --> Mutable objects…

<!-- Update here: /questions/what-are-iterators-and-generators-and-what-are-they-used-for/en-US.mdx --> In JavaScript, i…

<!-- Update here: /questions/what-are-the-benefits-of-using-spread-syntax-and-how-is-it-different-from-rest-syntax/en-US…

<!-- Update here: /questions/what-language-constructs-do-you-use-for-iterating-over-object-properties-and-array-items/en…

<!-- Update here: /questions/what-are-the-various-data-types-in-javascript/en-US.mdx --> In JavaScript, data types can b…

<!-- Update here: /questions/explain-the-differences-between-commonjs-modules-and-es-modules/en-US.mdx --> In JavaScript…

<!-- Update here: /questions/why-is-it-in-general-a-good-idea-to-leave-the-global-scope-of-a-website-as-is-and-never-tou…

<!-- Update here: /questions/why-is-extending-built-in-javascript-objects-not-a-good-idea/en-US.mdx --> Extending a buil…

<!-- Update here: /questions/what-are-javascript-polyfills-for/en-US.mdx --> Polyfills in JavaScript are pieces of code…

<!-- Update here: /questions/how-do-you-abort-a-web-request-using-abortcontrollers/en-US.mdx --> is used to cancel ongo…

<!-- Update here: /questions/what-are-the-differences-between-xmlhttprequest-and-fetch/en-US.mdx --> (XHR) and API are…

<!-- Update here: /questions/what-are-the-advantages-and-disadvantages-of-using-ajax/en-US.mdx --> AJAX (Asynchronous Ja…

<!-- Update here: /questions/explain-ajax-in-as-much-detail-as-possible/en-US.mdx --> AJAX (Asynchronous JavaScript and…

<!-- Update here: /questions/what-are-the-pros-and-cons-of-using-promises-instead-of-callbacks/en-US.mdx --> Promises of…

<!-- Update here: /questions/explain-the-difference-between-synchronous-and-asynchronous-functions/en-US.mdx --> Synchro…

<!-- Update here: /questions/what-is-use-strict-what-are-the-advantages-and-disadvantages-to-using-it/en-US.mdx --> is…

<!-- Update here: /questions/what-is-the-difference-between-mouseenter-and-mouseover-event/en-US.mdx --> The main differ…

<!-- Update here: /questions/describe-event-capturing/en-US.mdx --> Event capturing is a lesser-used counterpart to [eve…

<!-- Update here: /questions/describe-event-bubbling/en-US.mdx --> Event bubbling is a DOM event propagation mechanism w…

<!-- Update here: /questions/what-are-the-differences-between-es6-class-and-es5-function-constructors/en-US.mdx --> ES20…

<!-- Update here: /questions/what-is-the-definition-of-a-higher-order-function/en-US.mdx --> A higher-order function is…

<!-- Update here: /questions/what-is-a-closure-and-how-why-would-you-use-one/en-US.mdx --> In the book ["You Don't Know…

<!-- Update here: /questions/what-are-the-various-ways-to-create-objects-in-javascript/en-US.mdx --> Creating objects in…

<!-- Update here: /questions/whats-a-typical-use-case-for-anonymous-functions/en-US.mdx --> An anonymous function in Jav…

<!-- Update here: /questions/explain-the-differences-on-the-usage-of-foo-between-function-foo-and-var-foo-function/en-US…

<!-- Update here: /questions/difference-between-function-person-var-person-person-and-var-person-new-person/en-US.mdx --…

<!-- Update here: /questions/explain-how-prototypal-inheritance-works/en-US.mdx --> Prototypical inheritance in JavaScri…

<!-- Update here: /questions/what-advantage-is-there-for-using-the-arrow-syntax-for-a-method-in-a-constructor/en-US.mdx…

<!-- Update here: /questions/explain-function-prototype-bind/en-US.mdx --> is a method in JavaScript that allows you to…

<!-- Update here: /questions/whats-the-difference-between-call-and-apply/en-US.mdx --> and are both used to invoke fun…

<!-- Update here: /questions/whats-the-difference-between-a-variable-that-is-null-undefined-or-undeclared-how-would-you-…

<!-- Update here: /questions/describe-the-difference-between-script-async-and-script-defer/en-US.mdx --> All of these wa…

<!-- Update here: /questions/describe-the-difference-between-a-cookie-sessionstorage-and-localstorage/en-US.mdx --> All…

<!-- Update here: /questions/explain-how-this-works-in-javascript/en-US.mdx --> There's no simple explanation for ; it i…

<!-- Update here: /questions/explain-event-delegation/en-US.mdx --> Event delegation is a technique in JavaScript where…

<!-- Update here: /questions/what-is-event-loop-what-is-the-difference-between-call-stack-and-task-queue/en-US.mdx --> T…

<!-- Update here: /questions/what-is-the-difference-between-double-equal-and-triple-equal/en-US.mdx --> is the abstract…

<!-- Update here: /questions/what-are-the-differences-between-variables-created-using-let-var-or-const/en-US.mdx --> In…

<!-- Update here: /questions/explain-hoisting/en-US.mdx --> Hoisting is a JavaScript mechanism where variable and functi…