JavaScript · Language basics

throw

Stops execution and raises an exception. Throw Error objects, not strings.

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Syntax

throw new Error("message")

Example

Try it

function divide(a, b) {
  if (b === 0) throw new RangeError("Cannot divide by zero");
  return a / b;
}
try { divide(1, 0); } catch (error) { console.log(error.name); }

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throw

Example

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