[JS] Customized exception in JavaScript

exception.js

try {
  anyFunction1();
  anyFunction2();
  anyFunction3();
  console.log('Success!');
}
catch(e) {
  console.log('Failed! Error: ' + e.message);
}

function anyFunction1() {
 //throw {name:'MyError1', message:'my error message 1!'};
}

function anyFunction2() {
  //throw {name:'MyError2', message:'my error message 2!'};
}

function anyFunction3() {
  throw {name:'MyError3', message:'my error message 3!'};
}

function anyFunction2() {
  throw {name:'MyError2', message:'my message 2!'}
}

function anyFunction3() {
  //throw {name:'MyError3', message:'my message 3!'}
}