Brief analysis of keyboard event examples in js_javascript skills

This article analyzes keyboard events in js with examples. Share it with everyone for your reference. The specific analysis is as follows:

The effect of this example:

Press any key on the keyboard to pop up the corresponding ASCII code, compatible with IE, Chrome and Firefox.

But there are still many problems:

(1) In IE and Chrome, some keys have no effect, such as up, down, left, right, etc.;
(2) The right key and single quote key in Firefox are both 39.

The specific code is as follows:

Copy code The code is as follows:

I hope this article will be helpful to everyone’s JavaScript programming design.