What is 'use strict'?


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More JavaScript Interview Questions

Have you used any browser for debugging? If yes, how is it done?

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Is there automatic type conversion in JavaScript?

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What is the use of a weakmap object in javascript?

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What value does prompt() return if the user clicked the cancel button?

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What is screen object in JavaScript?

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What is the difference between HTMLCollection and NodeList?

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How to change style on an element?

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Which built-in method returns the calling string value converted to lower case?

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How to create objects in JavaScript?

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Why are callbacks used?

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What is a method in javascript?

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How are javascript and ecma script related?

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