how to check if object exists in javascript
if (typeof maybeObject != "undefined") {
alert("GOT THERE");
}how to check if object exists in javascript
if (typeof maybeObject != "undefined") {
alert("GOT THERE");
}check if somethin exist in an object js
let result = targetObject.hasOwnProperty(propertyName);
let person = {
firstName: 'John',
lastName: 'Doe'
};
//Example 1
let result = person.hasOwnProperty('firstName');
console.log(result); // true
//Example 2
let result = person.hasOwnProperty('age');
console.log(result); // falsecheck if somethin exist in an object js
let result = person.hasOwnProperty('firstName');
console.log(result); // true
Code language: JavaScript (javascript)Copyright © 2021 Codeinu
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