Answers for "check is undefined in javascript"

20

javascript check for undefined

if (typeof myVariable === 'undefined'){
    //myVariable is undefined
}
Posted by: Guest on July-22-2019
2

test if is undefined javascript

let id;

if(typeof id === 'undefined') {
    console.log("id is undefined...");
}
Posted by: Guest on August-10-2020

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