Answers for "how to do undefined check in javascript"

javascript check for undefined

if (typeof myVariable === 'undefined'){
    //myVariable is undefined
}

Posted by: Guest on July-22-2019

test undefined js

if (t === undefined) {
    return 'Undefined value!';
  }

Posted by: Guest on July-24-2021

Code answers related to "how to do undefined check in javascript"