Add content to pseudo-elements!
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README.md
jquery.pseudo-text.js
jquery.pseudo-text.min.js

README.md

"Pseudo Text" plugin for jQuery

This plugin allows you to inject text content into a CSS pseudo-element of your choosing. The plugin defaults to the CSS2 :before pseudo-element and duplicates the text of the jQuery selectors you've specified. This is the simplest usage of the plugin, applied to all <h2> elements on a page:

$(document).ready(function () {
    $('h2').pseudoText();        
});

This results in whatever text is in each <h2> to be duplicated before the original text. The plugin achieves this by iterating over each element in your selector, assigning each one a unique class name, and generating a CSS style rule for it. Once this process is complete, the plugin appends a <style> element (containing all of the CSS rules) to the document <head>. For the above example, this generated code would look something like this (assuming 3 <h2> elements on the page):

<style>
    .☌0:before { content: "Hello, text from the first h2."; }
    .☌1:before { content: "Hello, text from the second h2."; }
    .☌2:before { content: "Hello, text from the third h2."; }
</style>

You have three optional parameters:

  • pseudoEl: The pseudo-element you wish to use, which defaults to :before.
  • text: The text you wish to inject, which defaults to the text in whichever instance of the element you're affecting.
  • clsName: The prefix for the class you wish to use on each affected element. This option defaults to the Unicode character , since the odds of it appearing in your code is highly unlikely. (This character apparently signifies "conjunction," if that matters to you.)

Admonition

Remember, content generated in CSS should be presentational only--and not be required to discern meaning. As such, you should only use this plugin for things of the "bells and whistles" variety.

Compatibility

Due to the nature of pseudo-elements, the support for this plugin is a bit limited. (E.g., versions of Internet Explorer earlier than IE 9 are likely not to work.) This plugin has been tested and is known to work in the following browsers:

  • Firefox 3.6.x and Firefox 4
  • Opera 11
  • Safari 5
  • Chrome 10
  • Internet Explorer 9

If you run into any issues using this plugin, please file a ticket. If you have any enhancements, feel free to fork this!

License

I don't really care how you use this thing, but if you care about such things, let's say that this plugin is licensed under the MIT license. Cool?