Answers for "typeof undefined javascript"

javascript typeof undfined

var x;
if (typeof x === 'undefined') {
   // these statements execute
}

Posted by: Guest on April-07-2020

how to check if object is undefined in javascript

if (typeof something === "undefined") {
    alert("something is undefined");
}

Posted by: Guest on November-26-2019

javascript check if boolean is undefined

if (typeof myFlag !== "undefined") {
  // comes here whether myFlag is true or false but not defined
}

Posted by: Guest on May-02-2020

javascript type of undefined

if (typeof x == 'undefined'){
   // instructions
 }

Posted by: Guest on February-05-2021

Code answers related to "typeof undefined javascript"