javascript网页关键字高亮代码

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javascript网页关键字高亮代码

时间：2008-07-30 点击：162

//高亮网页关键字的javascript代码

var keys = [
             ["脚本",http://www.jb51.net,"#ff0000"],
             ["小说",http://www.kanshule.com,"#00ff00"],
             ["念经","http://www.baidu.com","#0000ff"],
             ["工会","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);
        }
    }
}

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