<script language="JavaScript" type="text/javascript">var num=6;</script>
<input name="addd" type="button" id="addd" onclick="alert(num++)" value="增加">
超简洁代码
<input name="addd" type="button" id="addd" onclick="alert(num++)" value="增加">
超简洁代码
function aa()
{
var obj=document.getElementById("div1")
var num=obj.innerText;
obj.innerText=parseInt(num,10)+1
}
</script>
<input name="addd" type="button" id="addd" onclick="aa()" value="增加">
<div id="div1">6</div>