Answers for "node check if undefined"

javascript check if not undefined

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

Posted by: Guest on October-23-2019

javascript typeof undfined

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

Posted by: Guest on April-07-2020

Code answers related to "node check if undefined"