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Learning jQuery 3

You're reading from   Learning jQuery 3 Interactive front-end website development

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781785882982
Length 448 pages
Edition 5th Edition
Languages
Tools
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Authors (2):
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Jonathan Chaffer Jonathan Chaffer
Author Profile Icon Jonathan Chaffer
Jonathan Chaffer
Adam Boduch Adam Boduch
Author Profile Icon Adam Boduch
Adam Boduch
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Toc

Table of Contents (16) Chapters Close

Preface 1. Getting Started FREE CHAPTER 2. Selecting Elements 3. Handling Events 4. Styling and Animating 5. Manipulating the DOM 6. Sending Data with Ajax 7. Using Plugins 8. Developing Plugins 9. Advanced Selectors and Traversing 10. Advanced Events 11. Advanced Effects 12. Advanced DOM Manipulation 13. Advanced Ajax 14. Appnedix A – Testing JavaScript with QUnit Appendix B – Quick Reference

Content getter and setter methods


It would be nice to be able to modify the pull quote a bit by dropping some words and replacing them with ellipses to keep the content brief. To demonstrate this, we have wrapped a few words of the example text in a <span class="drop"> tag.

The easiest way to accomplish this replacement is to directly specify the new HTML entity that is to replace the old one. The .html() method is perfect for this:

$(() => { 
  $('span.pull-quote')
    .each((i, span) => {
      $(span)
        .clone()
        .addClass('pulled')
        .find('span.drop')
          .html('&hellip;')
          .end()
        .prependTo(
          $(span)
            .parent()
            .css('position', 'relative')
        );
    });
}); 

Listing 5.20

The new lines in Listing 5.20 rely on the DOM traversal techniques we learned in Chapter 2, Selecting Elements. We use .find() to search inside the pull quote for any <span class="drop"> elements, operate on them, and then...

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