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Multiple return in a function

It can be useful to have multiple returns in a function declaration as long as only 1 return is expected to run. For example:

function invert(x) {
  if (x === 0) {
     return 'input was zero';
  } else {
    return 1 / x;
  }
}

The function will still work using an if statement instead of an if...else statement

function invert(x) {
  if (x === 0) {
     return 'input was zero';
  }
  return 1 / x;
}

by Valeri Tandilashvili

JavaScript

return

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