//css .key_word{font-color:red;} //js /* *@where is element where to search the keywords *@keys_arr is the keywords array *@stylename is the css class name */ function sign_keywords(where,keys_arr,stylename) { var content = where.innerHTML; var keyswords = '('+keys_arr.join('|')+')'; var regex = new RegExp(keyswords, 'g'); content = content.replace(regex,'<span class='+stylename+'>$1</span>'); where.innerHTML = content; } sign_keywords(your_element,['i','a','w'],'hover');
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>test</title>
</head><body>
中国美国日本
台湾
</body>
<script>
var content = document.body.innerHTML;
content = content.replace(/(中国|日本)/g,"<font color=blue>$1</font>");
document.body.innerHTML = content;
</script>
</html>
content = content.replace(/(中国|日本)/g,"<font color=red>$1</font>");
var key = document.getElementById("txtKey").value;
var html = document.getElementById("context").innerHTML;
html = html.replace(key, " <font color='red'>" + key + "</font>");
document.getElementById("context").innerHTML = html;
不用js也行 能实现就行 就是最好
document.documentElement.innerHTML.replace(/your keyword reg/, "<font color='red'>"+your keyword+"<font>");
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>test</title>
</head><body>
中国美国日本
台湾
</body>
<script>
var content = document.body.innerHTML;
var key = ["中国","日本"];//可以1个,可以多个
var str = "";
for(var i=0;i<key.length;i++){
if(str!="")str+="|";
str += key[i];
}
content = content.replace(eval("/("+str+")/g"),"<font color=blue>$1</font>");
document.body.innerHTML = content;
</script>
</html>
.key_word{font-color:red;}
//js
/*
*@where is element where to search the keywords
*@keys_arr is the keywords array
*@stylename is the css class name
*/
function sign_keywords(where,keys_arr,stylename)
{
var content = where.innerHTML;
var keyswords = '('+keys_arr.join('|')+')';
var regex = new RegExp(keyswords, 'g');
content = content.replace(regex,'<span class='+stylename+'>$1</span>');
where.innerHTML = content; }
sign_keywords(your_element,['i','a','w'],'hover');
var content = document.body.innerHTML;
var key = ["中国","日本"];//可以1个,可以多个
content = content.replace(new RegExp(key.join("|"),"g"),"<font color=blue>$1</font>");
document.body.innerHTML = content;
var key = ["中国","日本"];//可以1个,可以多个
content = content.replace(new RegExp("("+key.join("|")+")","g"),"<font color=blue>$1</font>");
document.body.innerHTML = content;