js區分鼠標單擊和雙擊事件

js區分鼠標單擊和雙擊事件

<input type="button" οnclick="aa()" οndblclick="bb()" value="點我">
<script language="javascript">
var isdb;
function aa(){
    isdb=false;
    window.setTimeout(cc, 500)
    function cc(){
        if(isdb!=false)return;
        alert("單擊")
    }
}
function bb(){
    isdb=true;
    alert("雙擊")
}
</script>