完整示例代码如下：
以下是引用片段：
<!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN>
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv=Content-Type content=text/html; charset=gb2312>
</head>
<body>
<SCRIPT language=javascript>
<!--
document.body.onload=adddiv;
document.onmousedown=recordobj;
document.ondblclick=dbclick;
document.onmouseup=showselect;
var starobj,isdb=false,allow=true;
function isallow()
{
if(allow){
allow=false;
alert(is closed);
}
else{
allow=true;
alert(is opend);
}
}
function dbclick()
{
isdb=true;
}
function recordobj()
{
starobj=event.srcElement;
}
function showselect() {
var str=;
if(event.srcElement.tagName!=A&&event.srcElement.tagName!=INPUT&&event.srcElement==starobj&&!isdb&&allow)
{
var oText=document.selection.createRange();
if(oText.text.length>0)
{
str=oText.text;
oText.text=BuB+oText.text+EuE;
}
oText.select();
event.srcElement.innerHTML=event.srcElement.innerHTML.replace(BuB,<u style=FONT-WEIGHT: bold;COLOR: #ff3366>).replace(EuE,</u>);
}
searchgoogle(str)
isdb=false;
}
function searchgoogle(str)
{
var obj=document.getElementById(searchgoogle);
if(str.length>0)
{
obj.style.display=block;
obj.style.position=absolute;
obj.style.zindex=999;
obj.style.posTop=document.body.scrollTop+event.y-25;
obj.style.posLeft=document.body.scrollLeft+event.x+5;
obj.style.widht=80;
obj.innerHTML=<a target=_blank href=http://www.google.com/search?ie=UTF-8&oe=UTF-8&q=+str+ style=BORDER-RIGHT: royalblue thin solid; BORDER-TOP: royalblue thin solid; FONT-WEIGHT: bold; BORDER-LEFT: royalblue thin solid; CLIP: rect(auto auto auto auto); COLOR: #ffffff; BORDER-BOTTOM: royalblue thin solid; BACKGROUND-COLOR: inactivecaption; TEXT-DECORATION: none>Search It！</a>;
}
else
{
obj.style.display=none;
}
}
function adddiv()
{
var mobj = document.createElement(div);
mobj.id=searchgoogle;
document.body.appendChild(mobj);
}
//-->
</SCRIPT>
<INPUT type=button onclick=isallow() value=关闭/打开划词功能>
<p>qrasfdasfasfdasfsafasdfsafsafasdfasdfasd</p>
</body>
</html>
在页面中加上这串代码就行了，同时还有搜索功能。演示效果就请看本BLOG页面上用鼠标划选文字的效果。
