event.which


event.which返回: Number

描述: 针对键盘和鼠标事件,这个属性能确定你到底按的是哪个键。

  • 添加的版本: 1.1.3event.which

event.whichevent.keyCodeevent.charCode 标准化了。推荐用 event.which 来监视键盘输入。更多细节请参阅: event.charCode on the MDN.

event.which也将正常化的按钮按下(mousedownmouseupevents),左键报告1,中间键报告2,右键报告3。使用event.which代替event.button

例子:

Example: 记录按键

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<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<input id="whichkey" value="type something">
<div id="log"></div>
<script>$('#whichkey').bind('keydown',function(e){
$('#log').html(e.type + ': ' + e.which );
}); </script>
</body>
</html>

Demo:

Example: Log which mouse button was depressed.

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<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<input id="whichkey" value="type something">
<div id="log"></div>
<script>
$('#whichkey').bind('mousedown',function(e){
$('#log').html(e.type + ': ' + e.which );
});
</script>
</body>
</html>

Demo: