Answers for "find if item is undefined js"

20

javascript check for undefined

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

js check if undefined

let foo = undefined
//will return true
typeof foo === 'undefined'
Posted by: Guest on July-15-2020

Code answers related to "Javascript"

Browse Popular Code Answers by Language