Answers for "undefined in js"

js if not undefined

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

Posted by: Guest on October-23-2019

javascript check for undefined

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

Posted by: Guest on July-22-2019

what is undefined in javascript

The undefined property indicates that a variable has not been assigned a value, 
or not declared at all.

Posted by: Guest on September-15-2021

Code answers related to "undefined in js"