JS imitate Editor The method of changing the width and height of text box in real time _javascript tips

The example of this article is about how to change the width and height of the text box in real time by JS simulation editor. Share to everyone for your reference. Specifically as follows:

Here Demo JS Simulation editor in real time to change the size of the text box, including the width and height of the method, in some online editors, such as Ewebeditor, there is a function, so that the text box constantly increase or decrease to fit the size of the page, this function is how to achieve it? Please refer to this program, I believe you will benefit from it.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-editor-cha-width-height-codes/

The specific code is as follows:

I hope this article will help you with your JavaScript programming.