Get the property of the difference between two objects in javascript

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You could filter the keys (assuming same keys) by checking the unequal value.

var obj1 = { prop1: false, prop2: false, prop3: false },
    obj2 = { prop1: false, prop2: true, prop3: false },
    difference = Object.keys(obj1).filter(k => obj1[k] !== obj2[k]);
    
console.log(difference);

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