js if not undefined
if (typeof myVar !== "undefined") {
console.log("myVar is DEFINED");
}js if not undefined
if (typeof myVar !== "undefined") {
console.log("myVar is DEFINED");
}javascript check for undefined
if (typeof myVariable === 'undefined'){
//myVariable is undefined
}check either define or undefined in javascript
if (typeof variable !== 'undefined' || typeof variable ==='undefined') {
//the variable is either defined or not defined
//in both conditions the code will be executed
}check undefined in javascript
if (typeof myVariable === 'undefined'){
//myVariable is undefined
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
