Update - 01/27/2014: Updated library versions
Update - 08/27/2013: Revised table for Tab Override v4.0.0 and tabIndent.js v0.1.8
A few years ago, I was trying to format some HTML in the WordPress HTML editor and was frustrated by the lack of tab key support. The normal behavior of the tab key is to move the focus to the next focusable element on the page. Since this is also true for textarea elements, pressing the tab key in a textarea will move the focus away from it. Users have come to expect the tab key to function this way and changing it would most certainly be confusing. However, when the purpose of the textarea is to input code, it seems more natural for it to behave more like a simple text editor.
Recently, some new projects have appeared that address the same issue. Two of the more popular ones are tabIndent.js and Behave.js. The projects are similar in a lot of ways, but take slightly different approaches and have different feature sets. The following is a comparison of the tabbing/indenting-related features of Tabby, Tab Override, tabIndent.js, and Behave.js:Continue reading