用javascript实现页内搜索的脚本代码_javascript技巧

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta name="Author" content="Sheneyan"> <script type="text/javascript"> function encode(s){ return s.replace(/&/g,"&").replace(/,"<").replace(/>/g,">").replace(/([\\\.\*\[\]\(\)\$\^])/g,"\\$1"); } function decode(s){ return s.replace(/\\([\\\.\*\[\]\(\)\$\^])/g,"$1").replace(/>/g,">").replace(/,"<").replace(/&/g,"&"); } function highlight(s){ if (s.length==0){ alert('</script>