自动改变文字大小和颜色的javascript效果
<body bgcolor="#000000"><div id="text" style="font-size:20px;">你好，这是一段改变文字大小和颜色的javascript代码</div><script type="text/javascript">var size = 20;var falg = 1;function colortext(){//获取文字的大小document.getElementById("text").style.color = getcolor();document.getElementById("text").style.fontSize = getSize();}//设置文字颜色function getcolor(){var mycolor = "#";var color ="123456789abcdef";var colorcode = color.split("");for(var i=0;i<6;i++){mycolor+=colorcode[Math.floor(15*Math.random())];}return mycolor;}//返回字体大小function getSize(){if(falg == 1){size = size+1;if(size == 60)falg = 0;return size;}if(falg == 0){size = size-1;if(size == 20)falg = 1;return size;}}setInterval("colortext()",200);</script></body>