Answers for "typescript check if property exists"

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

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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