What is the purpose of the switch statement?

The switch statement is used to execute one block of code among many based on the value of an expression. It is an alternative to using multiple if...else if statements. The switch statement evaluates an expression, matches the expression's value to a case label, and executes the associated block of code. If no case matches, the default block is executed.

switch (expression) {
  case value1:
    // code to be executed if expression === value1
    break;
  case value2:
    // code to be executed if expression === value2
    break;
  default:
  // code to be executed if no case matches
}