Answers for "check if this property exists in js object"

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

test if property exists javascript

const hero = {
  name: 'Batman'
};

hero.hasOwnProperty('name');     // => true
hero.hasOwnProperty('realName'); // => false

Posted by: Guest on November-23-2020

check if js property exists in class

myObj.hasOwnProperty(myProp)

Posted by: Guest on February-12-2020

Code answers related to "check if this property exists in js object"