JavaScript实现文字闪烁特效的完整代码与原理

完整代码示例

<html>
 <head>
 <meta charset="gb2312" />
 <title>js实现文字闪烁特效</title>
 </head>
<script>
 var flag = 0;
 function start(){
 var text = document.getElementById("myDiv");
 if (!flag)
 {
 text.style.color = "red";
 text.style.background = "#0000ff";
 flag = 1;
 }else{
 text.style.color = "";
 text.style.background = "";
 flag = 0;
 }
 setTimeout("start()",500);
 }
</script>
 <body onload="start()">
 <span id="myDiv">css的世界是如此的精彩！</span>
 </body>
</html>