August 2013
Beginner
70 pages
1h 26m
English
Content preview from Instant jQuery Selectors
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Selecting by hierarchy (Must know)
This chapter explains how to combine the selectors seen so far using hierarchy operators to retrieve elements by their relationship in the DOM.
Getting ready
Before we dive into the code, we should be aware of the weapons in our belt. The following is a table describing all of the selectors that belong to this category:
|
Name |
Identifying Character |
Syntax |
Description |
|---|---|---|---|
|
Child |
> |
Parent > Children (for example, |
Selects all direct children "Children" of the parent specified by "Parent". |
|
Descendant |
(space) |
Ancestor Descendants (for example, . |
Selects all descendants "Descendants" having in their ancestor list "Ancestor". |
|
Next Adjacent |
+ |
Prev + Next (for example. |
Selects ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.