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Q. What keyword is used to check whether a given property is valid or not?
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Q. A collection of elements of the same data type which may either in order or not, is called
Q. When do uncaught exceptions generate events?
Q. What does the following JavaScript code snippet do?
Q. A linkage of series of prototype objects is called as :
Q. If you have a function f and an object o, you can define a method named m of o with
Q. What is the opposite approach to the lexical scoping?
Q. What will happen if we execute the following code of JavaScript?
Q. Which one of the following options is the correct output for the given code of JavaScript?
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