May 2017
Intermediate to advanced
448 pages
10h 10m
English
Content preview from Learning jQuery 3 - Fifth Edition
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Chaining
The traversal method combinations that we have just explored illustrate jQuery's chaining capability. With jQuery, it is possible to select multiple sets of elements and do multiple things with them, all within a single line of code. This chaining not only helps keep jQuery code concise, but it can also improve a script's performance when the alternative is to respecify a selector.
How chaining worksAlmost all jQuery methods return a jQuery object and so can have more jQuery methods applied to the result. We will explore the inner workings of chaining in Chapter 8, Developing Plugins.
It is also possible to break a single line of code into multiple lines for greater readability, as we've been doing throughout this chapter so far. ...
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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.