很简单的一段背景颜色时刻发生变化的代码
<!doctype html><html lang="en"><head><meta charset="UTF-8"><title>Document</title><style>#dv {width: 100px;height: 100px;}</style></head><script>window.onload=function(){var oDv = document.getElementById("dv");oDv.style.backgroundColor="red"setInterval(function(){var arrRandNumber = [getRandomNumber(0,255),getRandomNumber(0,255),getRandomNumber(0,255) ]; oDv.style.backgroundColor="rgb("+arrRandNumber[0]+","+arrRandNumber[1]+","+arrRandNumber[2]+")" function getRandomNumber(rMin,rMax){var cha = rMax-rMin;var rand = Math.random();//return (rMin+Math.round(cha*rand))} },500) //alert(getRandomNumber(0,255))};</script><body><div id="dv"></div></body></html>以上所述就是本文给大家分享的全部内容了,希望能够对大家学习使用javascript有所帮助。