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A tiny, multi-purpose JavaScript utility function for quickly and easily detecting whether any variable or object is null, undefined, empty or whitespace.

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WSydnA/isNullOrEmpty.js

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isNullOrEmpty.js

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isNullOrEmpty gets its name from .NET's String.IsNullOrEmpty(String) method. After using it a few times I got tired of the extra code required to do similar things in JavaScript, so created this utility function which I then promptly extended to correctly handle any type of variable.

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// TODO

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// TODO

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A tiny, multi-purpose JavaScript utility function for quickly and easily detecting whether any variable or object is null, undefined, empty or whitespace.

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