Answers for "check if value is undefined in js"

js if not undefined

if (typeof myVar !== "undefined") {
    console.log("myVar is DEFINED");
}

Posted by: Guest on October-23-2019

check undefined in javascript

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

Posted by: Guest on May-29-2021

Code answers related to "check if value is undefined in js"