一个优秀的超链接鼠标悬停提示CSS＋js

hmilyzhang · 发表于 2006-4-14 11:03:20

超链接，一般的做法是给一个title属性，这样用户的鼠标悬停在超链接上的时候，它会显示title的内容。但是，你是否厌倦了千篇一律的鼠标悬停效果呢？ 当然，也有这方面很炫的代码，但是才跨浏览器方面功夫还是不够，呵呵。我遇到一个不错的css，在IE和Firefox下浏览一样的效果。 实际的效果大家可以参考：校园招聘一网打尽 <A href="http://www.xyzp.net/index.html" target=_blank>http://www.xyzp.net/index.html</A> 代码如下： /************************************************************************* dw_viewport.js version date Nov 2003 This code is from Dynamic Web Coding at <A href="http://www.dyn-web.com/" target=_blank>http://www.dyn-web.com/</A> Copyright 2003 by Sharon Paine See Terms of Use at <A href="http://www.dyn-web.com/bus/terms.html" target=_blank>http://www.dyn-web.com/bus/terms.html</A> regarding conditions under which you may use this code. This notice must be retained in the code as is! *************************************************************************/ var viewport = { getWinWidth: function () { this.width = 0; if (window.innerWidth) this.width = window.innerWidth - 18; else if (document.documentElement && document.documentElement.clientWidth) this.width = document.documentElement.clientWidth; else if (document.body && document.body.clientWidth) this.width = document.body.clientWidth; }, getWinHeight: function () { this.height = 0; if (window.innerHeight) this.height = window.innerHeight - 18; else if (document.documentElement && document.documentElement.clientHeight) this.height = document.documentElement.clientHeight; else if (document.body && document.body.clientHeight) this.height = document.body.clientHeight; }, getScrollX: function () { this.scrollX = 0; if (typeof window.pageXOffset == "number") this.scrollX = window.pageXOffset; else if (document.documentElement && document.documentElement.scrollLeft) this.scrollX = document.documentElement.scrollLeft; else if (document.body && document.body.scrollLeft) this.scrollX = document.body.scrollLeft; else if (window.scrollX) this.scrollX = window.scrollX; }, getScrollY: function () { this.scrollY = 0; if (typeof window.pageYOffset == "number") this.scrollY = window.pageYOffset; else if (document.documentElement && document.documentElement.scrollTop) this.scrollY = document.documentElement.scrollTop; else if (document.body && document.body.scrollTop) this.scrollY = document.body.scrollTop; else if (window.scrollY) this.scrollY = window.scrollY; }, getAll: function () { this.getWinWidth(); this.getWinHeight(); this.getScrollX(); this.getScrollY(); } } /************************************************************************* dw_event.js (version date Feb 2004) This code is from Dynamic Web Coding at <A href="http://www.dyn-web.com/" target=_blank>http://www.dyn-web.com/</A> See Terms of Use at <A href="http://www.dyn-web.com/bus/terms.html" target=_blank>http://www.dyn-web.com/bus/terms.html</A> regarding conditions under which you may use this code. This notice must be retained in the code as is! *************************************************************************/ var dw_event = { add: function(obj, etype, fp, cap) { cap = cap || false; if (obj.addEventListener) obj.addEventListener(etype, fp, cap); else if (obj.attachEvent) obj.attachEvent("on" + etype, fp); }, remove: function(obj, etype, fp, cap) { cap = cap || false; if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap); else if (obj.detachEvent) obj.detachEvent("on" + etype, fp); }, DOMit: function(e) { e = e? e: window.event; e.tgt = e.srcElement? e.srcElement: e.target; if (!e.preventDefault) e.preventDefault = function () { return false; } if (!e.stopPropagation) e.stopPropagation = function () { if (window.event) window.event.cancelBubble = true; } return e; } } /************************************************************************* dw_tooltip.js requires: dw_event.js and dw_viewport.js version date: March 14, 2005 (minor changes in position algorithm and timer mechanism) This code is from Dynamic Web Coding at dyn-web.com Copyright 2003-5 by Sharon Paine See Terms of Use at <A href="http://www.dyn-web.com/bus/terms.html" target=_blank>www.dyn-web.com/bus/terms.html</A> regarding conditions under which you may use this code. This notice must be retained in the code as is! *************************************************************************/ var Tooltip = { followMouse: true, offX: 8, offY: 12, tipID: "tipDiv", showDelay: 100, hideDelay: 200, ready:false, timer:null, tip:null, init: function() { if ( document.createElement && document.body && typeof document.body.appendChild != "undefined" ) { if ( !document.getElementById(this.tipID) ) { var el = document.createElement("DIV"); el.id = this.tipID; document.body.appendChild(el); } this.ready = true; } }, show: function(e, msg) { if (this.timer) { clearTimeout(this.timer); this.timer = 0; } this.tip = document.getElementById( this.tipID ); if (this.followMouse) // set up mousemove dw_event.add( document, "mousemove", this.trackMouse, true ); this.writeTip(""); // for mac ie this.writeTip(msg); viewport.getAll(); this.positionTip(e); this.timer = setTimeout("Tooltip.toggleVis('" + this.tipID + "', 'visible')", this.showDelay); }, writeTip: function(msg) { if ( this.tip && typeof this.tip.innerHTML != "undefined" ) this.tip.innerHTML = msg; }, positionTip: function(e) { if ( this.tip && this.tip.style ) { // put e.pageX/Y first! (for Safari) var x = e.pageX? e.pageX: e.clientX + viewport.scrollX; var y = e.pageY? e.pageY: e.clientY + viewport.scrollY; if ( x + this.tip.offsetWidth + this.offX > viewport.width + viewport.scrollX ) { x = x - this.tip.offsetWidth - this.offX; if ( x < 0 ) x = 0; } else x = x + this.offX; if ( y + this.tip.offsetHeight + this.offY > viewport.height + viewport.scrollY ) { y = y - this.tip.offsetHeight - this.offY; if ( y < viewport.scrollY ) y = viewport.height + viewport.scrollY - this.tip.offsetHeight; } else y = y + this.offY; this.tip.style.left = x + "px"; this.tip.style.top = y + "px"; } }, hide: function() { if (this.timer) { clearTimeout(this.timer); this.timer = 0; } this.timer = setTimeout("Tooltip.toggleVis('" + this.tipID + "', 'hidden')", this.hideDelay); if (this.followMouse) // release mousemove dw_event.remove( document, "mousemove", this.trackMouse, true ); this.tip = null; }, toggleVis: function(id, vis) { // to check for el, prevent (rare) errors var el = document.getElementById(id); if (el) el.style.visibility = vis; }, trackMouse: function(e) { e = dw_event.DOMit(e); Tooltip.positionTip(e); } } Tooltip.init();

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一个优秀的超链接鼠标悬停提示CSS＋js

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