js划词搜索(网上流传)

<! 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="+encodeURI(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" >    < a  href ='http://www.jb51.net'  target ='_blank' >< font  color =red > 脚本 </ font ></ a > 之家   </ body >    </ html >

转载于:https://www.cnblogs.com/wangxiang/articles/916316.html

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