Answers for "how to check if a property exists in an object or not in javascript"

how to check wether the property exist in a object in java script

if (obj.hasOwnProperty('prop')) {
    // do something
}

Posted by: Guest on May-26-2020

javascript check if object property exists

var person = {'first_name': 'bill','age':20};

if ( person.hasOwnProperty('first_name') ) {
    //person has a first_name property
}

Posted by: Guest on July-23-2019

Code answers related to "how to check if a property exists in an object or not in javascript"