Answers for "javascript exists object property"

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
1

test if property exists javascript

const hero = {
  name: 'Batman'
};

hero.hasOwnProperty('name');     // => true
hero.hasOwnProperty('realName'); // => false
Posted by: Guest on November-23-2020

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