在IE中禁用退格键并使用javascript删除密钥 [英] Disable backspace and delete key with javascript in IE
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问题描述
任何人都知道如何在IE中使用Javascript禁用退格键和删除键?这是我的下面的代码,但似乎它不适用于IE但对Mozilla来说很好。
Anyone know how can I disable backspace and delete key with Javascript in IE? This is my code below, but seems it's not work for IE but fine for Mozilla.
onkeydown="return isNumberKey(event,this)"
function isNumberKey(evt, obj)
{
var charCode = (evt.which) ? evt.which : evt.keyCode
if (charCode == 8 || charCode == 46) return false;
return true;
}
推荐答案
此事件处理程序适用于所有主流浏览器。
This event handler works in all the major browsers.
function onkeyup(e) {
var code;
if (!e) var e = window.event; // some browsers don't pass e, so get it from the window
if (e.keyCode) code = e.keyCode; // some browsers use e.keyCode
else if (e.which) code = e.which; // others use e.which
if (code == 8 || code == 46)
return false;
}
您可以将事件附加到此函数,如:
You can attach the event to this function like:
<input onkeyup="return onkeyup()" />
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