javascript背景颜色按时变换_页面背景

背景色测试

<script> <BR>function setcolor() <BR>{ <BR>var colorString; <BR>do{ <BR>colorString="#"+Math.floor(Math.random()*Math.pow(2,24)).toString(16); <BR>} <BR>while (colorString.length<7); <br><br>document.getElementById("mydiv").style.backgroundColor=colorString; <br><br>setTimeout(setcolor,100); <BR>} <br><br></script>

<div id="mydiv" style="font:12px sans-serif;width:300px;height:200px;">背景色测试</div> <script> function setcolor() { var colorString; do{ colorString="#"+Math.floor(Math.random()*Math.pow(2,24)).toString(16); } while (colorString.length<7); document.getElementById("mydiv").style.backgroundColor=colorString; setTimeout(setcolor,100); } </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]