Is there a javascript library that contains a rich set of very high level commonly used functions?

Posted by bobo on Stack Overflow See other posts from Stack Overflow or by bobo
Published on 2010-04-18T05:45:45Z Indexed on 2010/04/18 5:53 UTC
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JavaScript

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javascript-library

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javascript-framework

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high-level

I find that many high level functions are missing in most well-known javascript libraries such as jquery, YUI...etc. Taking string manipulation as an example, startsWith, endsWith, contains, lTrim, rTrim, trim, isNullOrEmpty...etc. These function are actually very common ones.

I would like to know if there exists a javascript library/ plugin of a javascript library that fills these gaps (including but not limited to string manipulation)?

It would be great if the library does not override the prototype.

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