LANGUAGE » JAVASCRIPT

Exception

Last updated:
Reference:developer.mozilla.org

Error ​

To raise a generic error (exception):

js
throw new Error('Something is wrong!');

Try...catch...finally ​

See throw, try...catch documentation.

js
try {
  throw new Error('Something is wrong!');
} catch (error) {
  console.log(error.message);
  if (error instanceof TypeError) {
    // Handle TypeError
  } else if (error instanceof RangeError) {
    // Handle RangeError
  } else if (error instanceof EvalError) {
    // Handle EvalError
  } else {
    throw error;
  }
} finally {
  // Will always run
}