How to scale down the tab key in textarea using javascript _ javascript tips-js tutorial

This article mainly introduces how to scale down the tab key in textarea using javascript. It involves some tips related to javascript processing mouse events and page elements, for more information about how to use javascript to scale down the tab key in textarea, see the following example. Share it with you for your reference. The details are as follows:

I searched for related solutions on the Internet. The other solutions were solved using two or three lines of javascript, but there were some minor problems. JQuery is also very concise.

The javascript code in this article implements the function of entering the TAB key in TEXTAREA and auto indent. However, this Code cannot be normally executed in Google browsers.

The Code is as follows:

Sel listen event.srcelement.doc ument. selection. createRange ()

This sentence will cause an error:
Ncaught exception TypeError: Cannot read property 'selection 'of undefined

The code runs normally in IE as follows:

Use Time:

The Code is as follows:

I hope this article will help you design javascript programs.