jQuery Looks like XPath
So far in our examination of jQuery we’ve seen how to select an ID, select a set of elements by tag name and select a set of elements by their class. But what if we wanted to select a set of elements based on some other condition?
As the title of this post suggest, all you need is a basic knowledge of XPath statements and you are all set.
Now, you may be thinking, “Why would I even want to do this?”
Well, I have a perfect example. Let’s say that you want to style all of your external links one way, all of the email hyperlinks another way, and all of your internal links a third way.
You could add the class keyword to each of those elements as you are coding the page. But what if you don’t have the source code, or later want to style it in some other way? You have to search for each of those types.
So, for example, you could select all of the hyperlinks that use the mailto: prefix by using the following line:
This selects all of the anchor tags with an href attribute starting with ‘mailto:’.
Here are some resources that you might find helpful:
Other places talking about jQuery and XPath:
- Use jQuery and quickSearch to interactively search any data | Encosia – If you’ve dealt with XPath for querying XML documents in the past, you’re going to love LINQ to XML. For example, these few lines of code are all that is required to execute the API request and extract a collection for databinding: …
- using jquery selectors – what’s so nice about jquery is that the browser doesn’t need to support the css3 specification for you to use them within the framework itself. those familiar with xpath will also be happy to know that simple xpath selectors are also …
Other post in jQuery
- jQuery - The Man, The Myth, The Legend - October 8th, 2008
- Getting started with jQuery and ASP.NET - October 15th, 2008
- jQuery Simple Selectors - October 28th, 2008
- jQuery Selectors - Looks just like CSS - November 6th, 2008
- jQuery Looks like XPath - November 12th, 2008
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- jQuery - Positioning Elements - January 6th, 2009
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- jQuery - Explaining Last Week's Code - October 16th, 2012
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- 12 November 2008 at 9:11am
- Dew Drop - November 12, 2008 | Alvin Ashcraft's Morning Dew
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