Internet Explorer中显示e.which为未定义 [英] Internet Explorer showing e.which as undefined

问题描述

在 Internet Explorer 8中， event.which 正显示出未定义，并在FireFox做工精细和 IE 9 。我现在用的文本框安其preSS'事件

标记

 ＆LT; ASP：文本框=服务器ID =TB1MAXLENGTH =3
                        安其preSS =返回MainCheckStrings（事件）; /＆GT;
 

它在FF，铬，Safari浏览器和Internet Explorer工作正常 - 9

任何想法？

解决方案

  VAR CHAR code = evt.which || evt.k​​ey code;
 

In Internet Explorer 8, event.which is showing undefined and working fine in FireFox and IE 9. I am using the Textbox 'onkeypress' Event

MarkUp

<asp:TextBox runat="server" ID="tb1" MaxLength="3"
                        onkeypress="return MainCheckStrings(event);" />

It is working fine in FF, Chrome, Safari and Internet Explorer - 9

Any Idea?

解决方案

var charCode = evt.which || evt.keyCode;

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