如何丰富alt属性的显示效果

时间：2021-05-30 08:46:42|栏目：JavaScript代码|点击：次

IE默认会给带alt属性图片和带title的链接一个浮动显示

很多朋友觉得不好看或者功能不丰富想改改，搜集了几种办法大家研究下

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

<html> <head>   <script language="javascript"> var tipTimer; function locateObject(n, d) { //v3.0 var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=locateObject(n,d.layers[i].document); return x; }  function hideTooltip(object) { if (document.all) { locateObject(object).style.visibility="hidden" locateObject(object).style.left = 1; locateObject(object).style.top = 1; return false } else if (document.layers) { locateObject(object).visibility="hide" locateObject(object).left = 1; locateObject(object).top = 1; return false } else return true } function showTooltip(object,e, tipContent, backcolor, bordercolor, textcolor, displaytime) { window.clearTimeout(tipTimer) if (document.all) { locateObject(object).style.top=document.body.scrollTop+event.clientY+20 locateObject(object).innerHTML='<table style="font-family: Verdana,Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; border: '+bordercolor+'; border-style: solid; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; background-color: '+backcolor+'" width="10" border="0" cellspacing="1" cellpadding="1"><tr><td nowrap><font style="font-family: Verdana,Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; color: '+textcolor+'">'+unescape(tipContent)+'</font></td></tr></table> ' if ((e.x + locateObject(object).clientWidth) > (document.body.clientWidth + document.body.scrollLeft)) {  locateObject(object).style.left = (document.body.clientWidth + document.body.scrollLeft) - locateObject(object).clientWidth-10; } else { locateObject(object).style.left=document.body.scrollLeft+event.clientX } locateObject(object).style.visibility="visible" tipTimer=window.setTimeout("hideTooltip('"+object+"')", displaytime); return true; } else if (document.layers) { locateObject(object).document.write('<table width="10" border="0" cellspacing="1" cellpadding="1"><tr bgcolor="'+bordercolor+'"><td><table width="10" border="0" cellspacing="0" cellpadding="2"><tr bgcolor="'+backcolor+'"><td nowrap><font style="font-family: Verdana,Tahoma, Arial, Helvetica, sans-serif; font-size: 11px; color: '+textcolor+'">'+unescape(tipContent)+'</font></td></tr></table></td></tr></table>') locateObject(object).document.close() locateObject(object).top=e.y+20 if ((e.x + locateObject(object).clip.width) > (window.pageXOffset + window.innerWidth)) { locateObject(object).left = window.innerWidth - locateObject(object).clip.width-10; } else { locateObject(object).left=e.x; } locateObject(object).visibility="show" tipTimer=window.setTimeout("hideTooltip('"+object+"')", displaytime); return true; } else { return true; } } </script>   </head>   <body> <div id="dHTMLToolTip" style="position: absolute; visibility: hidden; width:10; height: 10; z-index: 1000; left: 0; top: 0"></div> <span onMouseOver="showTooltip('dHTMLToolTip',event, '文字提示信息部分带图片的<img src=http://www.blueidea.com/img/common/logo.gif>', '#fffff2','#000000','#000000','20000')" onMouseOut="hideTooltip('dHTMLToolTip')">点这里</span> </body> <html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

<DIV ID="DIV" STYLE="position:absolute; top:190px; left:100px; width:440px; height:160px; padding:10px; font:bold 13pt verdana; color:white;  filter:progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr='#0000FF', EndColorStr='#000000')">  <style type="text/css"> .link{font-family:verdana,arial,helvetica; font-size:8pt; color:#003399; font-weight:normal} .link:hover{font-family:verdana,arial,helvetica; font-size:8pt; color:#0099FF; font-weight:normal} .prem_hint{font-family:verdana,arial,helvetica; font-size:8pt; color:#ffffff; font-weight:normal} .header{font-family:arial,verdana,helvetica; font-size:20pt; color:#ffff00; font-weight:bold} </style>  <script language="javascript"> // Location of this script: // http://www.geocities.com/e_i_search/premshree/pub/scripts/JS/link_hint_scroller.htm //********************************************* //* Link Hint Scroller 1.0                    * //* This script when you move your mouse over * //* displays a scrolling hint                 * //* (c) Premshree Pillai,                     * //* http://qik.cjb.net                        * //* E-mail : premshree@hotmail.com            * //* Use the script freely as long as this     * //* message is intact                         * //********************************************* window.onerror = null;  var bName = navigator.appName;  var bVer = parseInt(navigator.appVersion);  var NS4 = (bName == "Netscape" && bVer >= 4);  var IE4 = (bName == "Microsoft Internet Explorer"   && bVer >= 4);  var NS3 = (bName == "Netscape" && bVer < 4);  var IE3 = (bName == "Microsoft Internet Explorer"   && bVer < 4);  var scroll_length = 150; //The scroll length  var time_length =50; //Scroll speed  var begin_pos = 100; //Start position of scroll hint  var i;  var j;   if (NS4 || IE4) {  if (navigator.appName == "Netscape") {  layerStyleRef="layer.";  layerRef="document.layers";  styleSwitch="";  }else{  layerStyleRef="layer.style.";  layerRef="document.all";  styleSwitch=".style";  } } //SCROLL function Scroll(layerName){ if (NS4 || IE4) {  if (NS4 || IE4) {   if(i<(begin_pos+scroll_length)){  eval(layerRef+'["'+layerName+'"]'+  styleSwitch+'.visibility="visible"');  eval(layerRef+'["'+layerName+'"]'+  styleSwitch+'.left="'+i+'"');  i++;  j++;  if(i==j){  setTimeout("Scroll('"+layerName+"')",time_length);}  }  }  } } //STOP SCROLLING function StopScroll(layerName) { i=begin_pos+scroll_length;   eval(layerRef+'["'+layerName+'"]'+   styleSwitch+'.left="'+i+'"');   hideLayer(layerName); } function reset() {  i=begin_pos; j=i; } // HIDE HINT function hideLayer(layerName){  if (NS4 || IE4) {  eval(layerRef+'["'+layerName+'"]'+  styleSwitch+'.visibility="hidden"');  }  } </script>  <center> <span class="header">Link Hint Scroller 1.0</span>   <a href="#" class="link" onmouseover="javascript:reset();Scroll('prem_hint');" onmouseout="javascript:StopScroll('prem_hint');">Move your mouse over</a> </center> <div id="prem_hint" style="position:relative; visibility:hidden" class="prem_hint"> This is the hint or description for the above link! </div>  </DIV>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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