Do you have to declare variables in javascript?


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More JavaScript Interview Questions

What is let keyword in typescript?

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How do you implement Ajax using hide() function in JQuery?

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In Javascript are calculations with fractional numbers guaranteed to be precise?

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Can you use javascript to hack?

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Why is javascript used for web pages?

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How to Object.entries( ) In JavaScript ?

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Which built-in method returns the string representation of the number’s value?

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what are the differences between as2 and as3?

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Can you assign an anonymous function to a variable and pass it as an argument to another function?

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Explain the different types of pop-up boxes you can create in JavaScript.

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How to shift and unshift using javascript?

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What does the following statement declares?

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