从输入表单中删除HTML TAG输入

问题描述：

好吧，基本上当我输入时，它不会允许它。
我想添加更多像< > / \ etc我该怎么做？

Ok basically when I type , it won't allow it. I want to add more like < > / \ etc how do I do it?

$("#in1").keypress(function (evt) {
    if (String.fromCharCode(evt.which) == ",")
        return false;
});


<input type="text" id="in1">

Can see the demo here. http://jsfiddle.net/QshDd/38/

答

如果你有一个不允许的字符列表，你可以这种方式禁止它们：

If you have a list of disallowed characters, you can forbid them in this fashion:

$("#in1").keypress(function (evt) {
    return [',', '<', '>', ].indexOf(String.fromCharCode(evt.which)) === -1;
});