August 2013
Intermediate to advanced
312 pages
10h 4m
English
Content preview from Extending jQuery
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Appendix. Regular expressions
In JavaScript, a regular expression is a JavaScript object that describes a pattern of characters. It’s used to match strings or parts of strings and for search and replace operations. jQuery uses regular expressions extensively for such diverse applications as parsing selector expressions, determining the type of browser in use, and trimming whitespace from text.
The use of regular expressions in JavaScript is an important part of using the language effectively. Regular expressions appear in many of the plugins in this book to test values or to break up strings into their component parts. You should be familiar with their syntax and usage patterns.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.