可以用来搜索当前页面内容的js代码_javascript技巧

<title>搜索页面内容</title> <script language="JavaScript"> var NS4 = (document.layers); var IE4 = (document.all); // window to search. var win = window; var n = 0; function findInPage(str) { var txt, i, found; if (str == "") return false; if (NS4) { if (!win.find(str)) while(win.find(str, false, true)) n++; else n++; if (n == 0) alert("对不起！没有你要找的内容。"); } if (IE4) { txt = win.document.body.createTextRange(); for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) { txt.moveStart("character", 1); txt.moveEnd("textedit"); } if (found) { txt.moveStart("character", -1); txt.findText(str); txt.select(); txt.scrollIntoView(); n++; } else { if (n > 0) { n = 0; findInPage(str); } else alert("对不起！没有你要找的内容。"); } } return false; } </script> <form name="search" onsubmit="return findInPage(this.string.value);"> <input name="string" type="text" size="20" onchange="n = 0;"> <input type="submit" value="==>>搜"> </form> 1 2 3 4 5 6 7 8 9 10 11 12 13
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]