WHICH OF THE OPERATOR IS USED TO TEST IF A PARTICULAR PROPERTY EXISTS OR NOT

NIELIT O Level Exam

Which of the operator is used to test if a particular property exists or not?

किसी विशेष प्रॉपर्टी के exists होने या न होने का टेस्ट करने के लिए किस ऑपरेटर का यूज़ किया जाता है?

A. in

B. exist

C. within

D. exists

Correct Answer is :

A. in

Explanation

The operator “in” tests whether a particular property exists or not. In operator is usually added in looping statements to traverse the array or the object.