Answers for "how to test if variable is undefined javascript"

js if not undefined

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

Posted by: Guest on October-23-2019

Javascript check if undefined

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

Posted by: Guest on July-22-2019

Code answers related to "how to test if variable is undefined javascript"