ttp://www.w3.org/TR/html4/strict.dtd" target="_blank">http://www.w3.org/TR/html4/strict.dtd"> orbitz-like behavior for hovering over table cells .cssguycomments {background:#eee;border:#ddd;padding:8px;margin-bottom:40px;} .cssguycomments p {font:normal 12px/18px verdana;} table {border-collapse:collapse;} thead th { font:bold 13px/18px georgia; text-align:left; background:#fff4c6; color:#333; padding:8px 16px 8px 8px; border-right:1px solid #fff; border-bottom:1px solid #fff; } thead th.null {background:#fff;} tbody th { font:bold 12px/15px georgia; text-align:left; background:#fff9e1; color:#333; padding:8px; border-bottom:1px solid #f3f0e4; border-right:1px solid #fff; } tbody td { font:normal 12px/15px georgia; color:#333; padding:8px; border-right:1px solid #f3f0e4; border-bottom:1px solid #f3f0e4; } /* 这3个是关键 --cssrain.cn */ tbody td.on {background:green;} thead th.on {background:red;} tbody th.on {background:red;} /* For functions getElementsByClassName, addClassName, and removeClassName Copyright Robert Nyman, <a href="http://www.robertnyman.com" target="_blank">http://www.robertnyman.com Free to use if this text is included */ function addLoadEvent(func) { var oldonload = window.onload; if (typeof window.onload != 'function') { window.onload = func; } else { window.onload = function() { oldonload(); func(); } } } function getElementsByClassName(className, tag, elm){ var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)"); var tag = tag || "*"; var elm = elm || document; var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag); var returnElements = []; var current; var length = elements.length; for(var i=0; i<length; i++){ current = elements[i]; if(testClass.test(current.className)){ returnElements.push(current); } } return returnElements; } function addClassName(elm, className){ var currentClass = elm.className; if(!new RegExp(("(^|\\s)" + className + "(\\s|$)"), "i").test(currentClass)){ elm.className = currentClass + ((currentClass.length > 0)? " " : "") + className; } return elm.className; } function removeClassName(elm, className){ var classToRemove = new RegExp(("(^|\\s)" + className + "(\\s|$)"), "i"); elm.className = elm.className.replace(classToRemove, "").replace(/^\s+|\s+$/g, ""); return elm.className; } function makeTheTableHeadsHighlight() { // get all the td's in the heart of the table... var table = document.getElementById('rockartists'); var tbody = table.getElementsByTagName('tbody'); var tbodytds = table.getElementsByTagName('td'); // and loop through them... for (var i=0; i<tbodytds.length; i++) { // take note of their default class name tbodytds[i].oldClassName = tbodytds[i].className; // when someone moves their mouse over one of those cells... tbodytds[i].onmouseover = function() { // attach 'on' to the pointed cell addClassName(this,'on'); // attach 'on' to the th in the thead with the same class name var topheading = getElementsByClassName(this.oldClassName,'th',table); addClassName(topheading[0],'on'); // attach 'on' to the far left th in the same row as this cell var row = this.parentNode; var rowheading = row.getElementsByTagName('th')[0]; addClassName(rowheading,'on'); } // ok, now when someone moves their mouse away, undo everything we just did. tbodytds[i].onmouseout = function() { // remove 'on' from this cell removeClassName(this,'on'); // remove 'on' from the th in the thead var topheading = getElementsByClassName(this.oldClassName,'th',table); removeClassName(topheading[0],'on'); // remove 'on' to the far left th in the same row as this cell var row = this.parentNode; var rowheading = row.getElementsByTagName('th')[0]; removeClassName(rowheading,'on'); } } } addLoadEvent(makeTheTableHeadsHighlight); Final example with JavaScript applied. Hover over a table cell to see effects. "View Source" and copy if you'd like to use. Rolling Stones U2 Mötley Crüe Lead Vocals Mick Jagger Bono Vince Neil Lead Guitar Keith Richards The Edge Mick Mars Bass Guitar Ron Wood Adam Clayton Nikkie Sixx Drums Charlie Watts Larry Mullen, Jr. Tommy Lee 本篇文章来源于 cssrain.cn 原文链接:http://www.cssrain.cn/article.asp?id=20 [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]