Answers for "javascript check if property exist in 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

js check if object has property

const object1 = new Object();
object1.property1 = 42;

console.log(object1.hasOwnProperty('property1'));
// expected output: true

Posted by: Guest on April-13-2020

check if property exists javascript

// the coolest way
const obj = {
 weather: 'Sunny; 
}

if('weather' in obj) {
 // do something 
}

Posted by: Guest on June-01-2021

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