How to disable all keys using jQuery except backspace?

Question

I can successfully stop all keystrokes:

$this.keydown(false);

How to disable all keys except backspace key?

+4

tlaverdure Dec 23 '12 at 2:02

2 answers

Use a callback, check the key code of the pressed key if it is a backspace key, and then enable it, otherwise block it.

+1

︁ · Accepted Answer · 2012-12-23T02:04:14+0000

Check the keyCode the event argument:

 $this.keydown(function(e) { if(e.keyCode !== 8) { e.preventDefault(); } });