test if property exists javascript
const hero = {
name: 'Batman'
};
hero.hasOwnProperty('name'); // => true
hero.hasOwnProperty('realName'); // => falsetest if property exists javascript
const hero = {
name: 'Batman'
};
hero.hasOwnProperty('name'); // => true
hero.hasOwnProperty('realName'); // => falsecheck if js property exists in class
myObj.hasOwnProperty(myProp)Copyright © 2021 Codeinu
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