How do you check if a value is a number in javascript?


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More JavaScript Interview Questions

In a pop-up browser window, how do you refer to the main browser window that opened it?

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Which built-in method returns the character at the specified index?

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Is javascript used for backend?

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Is Exception handling possible in Javascript?

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What is webassembly good for?

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What is decodeuri(), encodeuri() in javascript?

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What is DOM? What is the use of document object?

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Explain why asynchronous code is important in javascript?

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Should you use var or let?

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What is the most widely used programming language?

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Explain why "self" is needed instead of "this".

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Why is currying called currying?

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