Why do we need to declare variables?


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More JavaScript Interview Questions

What is a “closure” in JavaScript? Provide an example

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How many data types are there in javascript?

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How can we send mail using Javascript?

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Is a function an object?

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Name the datatypes of javascript?

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What are two-way data binding and one-way data flow, and how are they different?

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Do you have to declare variables in javascript?

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Explain how to detect the operating system on the client machine?

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<script type="text/javascript"> function dispValue(e) { v = function (s) { return e.name + ': ' + s } if (e.type == "") return v(e.checked ? "" : ""); else return v(e.value); }

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What do you mean by ide?

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Is javascript server side or client side?

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Where is javascript used most?

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