Answers for "js get property of object if exists"

9

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
4

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

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