Answers for "check if it is undefined - js"

js check if undefined

let foo = undefined
//will return true
typeof foo === 'undefined'

Posted by: Guest on July-15-2020

undefined javascript check

if(undefinedElement === null) {
	console.log("Element is undefined");
}

Posted by: Guest on March-30-2020

Code answers related to "check if it is undefined - js"