jQuery 1.9: AJAX methods and well-formed HTML
HTML strings must be well-formed when passed to the jQuery's selector engine. This also affects AJAX methods.
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Web programming languages and standards.
WordPress: let users choose their sidebar on posts and pages with custom values
How to create a select box on posts and pages to let users choose their preferred WordPress sidebar.
jQuery: prevent the text() method from affecting children elements
The jQuery's text() method also affects the text of children elements. Here's a solution to this problem.