<script lanuage="JavaScript">
document.onmousedown = function()
{
if(event.button == 1)
alert("左键");
if(event.button == 2)
alert("右键");
}
</script>
document.onmousedown = function()
{
if(event.button == 1)
alert("左键");
if(event.button == 2)
alert("右键");
}
</script>
event.button&1>0 左键已被按下<br>
event.button&2>0 右键已被按下<br>
event.button&4>0 中键已被按下
iWhichButton Integer that specifies one of the following values:
0 No button is pressed.
1 Left button is pressed.
2 Right button is pressed.
3 Left and right buttons are both pressed.
4 Middle button is pressed.
5 Left and middle buttons both are pressed.
6 Right and middle buttons are both pressed.
7 All three buttons are pressed.