Answers for "how to check for undefined in if else js"

Javascript check if undefined

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

Posted by: Guest on July-22-2019

js check if undefined

let foo = undefined
//will return true
typeof foo === 'undefined'

Posted by: Guest on July-15-2020

Code answers related to "how to check for undefined in if else js"