keyup与setInterval

<html>
<body>

<input type="text" id="clock" size="35" />
<script language=javascript>
var int=self.setInterval("clock()",50)
function clock()
{
var t=new Date()
document.getElementById("clock").value=t
}
</script>
<button onclick="int=window.clearInterval(int)">Stop interval</button>

</body>
</html>

建议学习http://www.jb51.net/article/26679.htm

 

 

input:focus
{
background-color:yellow;
}

 

.input.attr("disabled", false);
.button.attr("disabled", false);
posted @ 2015-12-09 17:16  半天的半天  阅读(182)  评论(0)    收藏  举报