javascript網頁關鍵字高亮代碼

//高亮網頁關鍵字的javascript代碼

var keys = [

["指令碼",http://www.jb51.net,"#ff0000"],

["小說",http://www.kanshule.com,"#00ff00"],

["念經","http://www.baidu.com","#0000ff"],

["工會","http://www.baidu.com","#cc6600"]

]

var bookmark;

if(document.createRange){

var range = document.createRange();

}else{

var range = document.body.createTextRange();

bookmark = range.getBookmark();

}

var key;

for(var i = 0;key = keys[i];i++){

if(range.findText){

range.collapse(true);

range.moveToBookmark(bookmark);

while(range.findText(key[0])){

range.pasteHTML(range.text.fontcolor(key[2]));

}

}else{

var s,n;

s = window.getSelection();

s.collapse(document.body,0);

while(window.find(key[0])){

var n = document.createElement("SPAN");

n.style.color=key[2];

s.getRangeAt(0).surroundContents(n);

}

}

}