TO DETERMINE WHETHER ONE OBJECT IS THE PROTOTYPE OF OR IS PART OF THE PROTOTYPE CHAIN OF ANOTHER OBJ

NIELIT O Level Exam

To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the ____

यह निर्धारित करने के लिए कि क्या एक ऑब्जेक्ट किसी अन्य ऑब्जेक्ट का प्रोटोटाइप है (या प्रोटोटाइप चैन का हिस्सा है), किसी को _ का यूज़ करना चाहिए

A. isPrototypeOf() method isPrototypeOf() मेथड

B. equals() method equals() मेथड

C. === operator === ऑपरेटर

D. ==opertor ==ऑपरेटर

Correct Answer is :

A. isPrototypeOf() method

Explanation

Prototype is a global property which is available with almost all the objects. To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the isPrototype() method. To find out if p is the prototype of o write p.isPrototypeOf(o).

O Level Online Exam

NIELIT O Level Exam

To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the ____________

Correct Answer is :

Explanation