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如何丰富alt属性的显示效果_javascript技巧

WBOY原创: 2016-05-16 19:20:341179浏览

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

"; var popupBody = oPopup.document.body; oPopup.show(0, 0, 300, 50); var realHeight = popupBody.scrollHeight; oPopup.hide(); oPopup.show(0, 15 , 300, realHeight, event.srcElement); }

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

<a href="#" onmouseover="toolTip('四川辣椒的艺术 （转）', '#333333', '#BFFF95')" onmouseout="toolTip()"><span style="color:#FF6600">四川辣椒的艺术 （转）</span></a> 
<div id="toolTipLayer" style="position:absolute; visibility: hidden"></div> 
<script language="JavaScript"></script>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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)+' '

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)+'') 
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> 
   
   
<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>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

//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>

<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:如需引入外部Js需刷新才能执行]

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如何丰富alt属性的显示效果_javascript技巧

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