文字闪烁代码

<title>文字闪烁</title>
<style type="text/css">
    .changecolor0{color:#f00;}
    .changecolor1{color:#0f0;}
    .changecolor2{color:#00f;}
    .changecolor3{color:#f0f;}
    .changecolor4{color:#0ff;}
    .changecolor5{color:#000;}
</style>
<span id="remaincolor">文字闪烁效果</span>
<script type="text/javascript">
    var i=0;
    function blink(){
        document.getElementById("remaincolor").className="changecolor"+i%6;
        i++;
    }
    setInterval(blink, 500);
</script>