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


Solution
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.
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