颜色变换 像字符逐字输入的欢迎词

<br /> <title><a href="https://www.kunjuke.com/tag/254/" title="颜色" target="_blank">颜色</a>变幻像<a href="https://www.kunjuke.com/tag/186/" title="字符" target="_blank">字符</a>输入一样的欢迎词</title> </p> <p>var sometext = "welcome to jb51.net";<br /> var achar;<br /> var asentence;<br /> var i=0;<br /> var colors = new array("ff0000","ffff66","ff3399","00ffff","ff9900","00ff00");<br /> var acolor; </p> <p>function loadtext()<br /> {<br /> acolor = colors[math.floor(math.random()*colors.length)];<br /> achar = sometext.charat(i);<br /> if (i == 0)<br /> asentence = achar;<br /> else<br /> asentence += achar;<br /> if (i < 50) i++;<br /> if (document.all)<br /> {<br /> textdiv.innerhtml= "<font color='#"+acolor+"' face='tahoma' size='5'><i>"+asentence+"</i>";<br /> settimeout("loadtext()",100);<br /> }<br /> else if (document.layers)<br /> {<br /> document.textdiv.document.write("<font color='#"+acolor+"' face='tahoma' size='5'><i>"+asentence+"</i>");<br /> document.textdiv.document.close();<br /> settimeout("loadtext()",100);<br /> }<br /> else if (document.getelementbyid)<br /> {<br /> document.getelementbyid("textdiv").innerhtml = "<font color='#"+acolor+"'><i>"+asentence+"</i>";<br /> settimeout("loadtext()",100);<br /> }<br /> } </p> <p>
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]