Answers for "check the if the value is undefined in js"

test if is undefined javascript

let id;

if(typeof id === 'undefined') {
    console.log("id is undefined...");
}

Posted by: Guest on August-10-2020

undefined javascript check

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

Posted by: Guest on March-30-2020

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