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Why do we need to declare variables?

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More JavaScript Interview Questions

Explain javascript closures by example.

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Which built-in method reverses the order of the elements of an array?

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Is a hash table an array?

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What is the use of Void(0)?

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In a java script, what is the difference between "==" and "===" operator?

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How do Javascript primitive/object types passed in functions?

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Is javascript becoming obsolete?

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How many types of functions are there in javascript?

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Explain the process of document loading.

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Is webassembly faster than javascript?

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What are the scopes of a variable in javascript?

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What is the use of a form in html page? Is there any way to submit the page without using the form.

3 Answers   Kanbay, TCS,

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