有的站点超链接鼠标移上去时有彩色闪烁效果,其实很简单就是调用了一段JS代码而已。下面就是实现效果所需代码:<script language="javascript">
var rate = 30;var object;var act = 0;var elmH = 0;var elmS = 128;var elmV = 255;var clrOrg;var TimerID;
if (navigator.appName.indexOf("Microsoft",0) != -1 && parseInt(navigator.appVersion) >= 4) {Browser = true;} else {Browser = false;}
function doRainbow(){if (Browser && act != 1) {act = 1;object = event.srcElement;clrOrg = object.style.color;TimerID = setInterval("ChangeColor()",100);}}function stopRainbow(){if (Browser && act != 0) {object.style.color = clrOrg;clearInterval(TimerID);act = 0;}}function doRainbowAnchor(){if (Browser && act != 1) {object = event.srcElement;while (object.tagName != 'A' && object.tagName != 'BODY') {object = object.parentElement;if (object.tagName == 'A' || object.tagName == 'BODY')break;}if (object.tagName == 'A' && object.href != '') {act = 1;clrOrg = object.style.color;TimerID = setInterval("ChangeColor()",100);}}}function stopRainbowAnchor(){if (Browser && act != 0) {if (object.tagName == 'A') {object.style.color = clrOrg;clearInterval(TimerID);act = 0;}}}function ChangeColor(){object.style.color = makeColor();}function makeColor(){if (elmS == 0) {elmR = elmV; elmG = elmV; elmB = elmV;}else {t1 = elmV;t2 = (255 - elmS) * elmV / 255;t3 = elmH % 60;t3 = (t1 - t2) * t3 / 60;
if (elmH < 60) {elmR = t1; elmB = t2; elmG = t2 + t3;}else if (elmH < 120) {elmG = t1; elmB = t2; elmR = t1 - t3;}else if (elmH < 180) {elmG = t1; elmR = t2; elmB = t2 + t3;}else if (elmH < 240) {elmB = t1; elmR = t2; elmG = t1 - t3;}else if (elmH < 300) {elmB = t1; elmG = t2; elmR = t2 + t3;}else if (elmH < 360) {elmR = t1; elmG = t2; elmB = t1 - t3;}else {elmR = 0; elmG = 0; elmB = 0;}}elmR = Math.floor(elmR);elmG = Math.floor(elmG);elmB = Math.floor(elmB);clrRGB = '#' + elmR.toString(16) + elmG.toString(16) + elmB.toString(16);elmH = elmH + rate;if (elmH >= 360)elmH = 0;return clrRGB;}document.onmouseover = doRainbowAnchor;document.onmouseout = stopRainbowAnchor;</script>把上面的代码另存为一个JS文件,然后在想实现此效果的页面调用即可!