另类实用代码~ 家底奉上
1. 将彻底屏蔽鼠标右键 h k3jE0~;?9Q<table border oncontextmenu=return(false)> <td> no </table> 可用于Table
2. <body > 取消选取、防止复制
3. 不准粘贴 'kr$t2v.\)fc
4. 防止复制 W8B5}5svj/m
5. <link rel= "Shortcut Icon " href= "favicon.ico "> IE地址栏前换成自己的图标 ,w/H B0df1YE.T
6. <link rel= "Bookmark " href= "favicon.ico "> 可以在收藏夹中显示出你的图标
7. <input style= "ime-mode:disabled "> 关闭输入法
8. 永远都会带着框架 {!u['oPq
<script language= "JavaScript "> <!-- V,o6}4he9n/G+z
if (window == top)top.location.href = "frames.htm "; //frames.htm为框架网页 (a`3i ~s;Y7O5j
// --> </script> ?w"d6T6Db~+s
9. 防止被人frame
<SCRIPT LANGUAGE=JAVASCRIPT> <!--
if (top.location != self.location)top.location=self.location;
// --> </SCRIPT> Xu([0Kzh
10. 网页将不能被另存为 hKiV%G
<noscript> <iframe src= "/blog/*.html> "; </iframe> </noscript>
11. <input type=button value=查看网页源代码 9n,~E;VdwQF
onclick= "window.location = "view-source: "+ "[url=http://www.williamlong.info]http://www.williamlong.info[/url] " "> oN/\2ww;V7jZ[i
12.删除时确认
<a href= "javascript:if(confirm( "确实要删除吗? "))location= "boos.asp?&areyou=删除&page=1 " "> 删除 </a>
13. 取得控件的绝对位置
//Javascript 0p w LL&Pp-M"\n9L'[
<script language= "Javascript "> y:k;Vg `4B%Fi
function getIE(e){
var t=e.offsetTop; D-q}.]Si(O
var l=e.offsetLeft;
while(e=e.offsetParent) #WX-}J M.H
alert( "top= "+t+ "/nleft= "+l);
}
</script>
//VBScript 7[ uh7V|E7n
<script language= "VBScript "> <!--
function getIE()
dim t,l,a,b vHn6?2Ny"f]'M
set a=document.all.img1
t=document.all.img1.offsetTop "S!pEL\(_/~)`
l=document.all.img1.offsetLeft }9W,H P `~kRw*MMT
while a.tagName <> "BODY "
set a = a.offsetParent
t=t+a.offsetTop
l=l+a.offsetLeft
wend 0XdM5w2R;\R.xf-^
msgbox "top= "&t&chr(13)& "left= "&l,64, "得到控件的位置 "
end function }i{2KBl.g5Y
--> </script>
14. 光标是停在文本框文字的最后
<script language= "javascript "> tQ.lo|'X)ME)y;Y
function cc()
{ 6Pc]9rN$y
var e = event.srcElement;
var r =e.createTextRange();
r.moveStart( "character ",e.value.length); %h@$A]*wS)FK
r.collapse(true); "c_onS+geX
r.select();
} &j/x H#O a n+LI2N-Tp"b(e3a
</script> ^5q7q;tar S+f
<input type=text name=text1 value= "123 " >
15. 判断上一页的来源
javascript: hep'q2_!~
document.referrer q"GK,Qa J a
16. 最小化、最大化、关闭窗口 o[!YuW6H.m2j
<object id=hh1 classid= "clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11 ">
<param name= "Command " value= "Minimize "> </object>
<object id=hh2 classid= "clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11 ">
<param name= "Command " value= "Maximize "> </object> ;e H}9u]K?q]
<OBJECT id=hh3 classid= "clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11 ">
<;PARAM NAME= "Command " VALUE= "Close "> </OBJECT>
<input type=button value=最小化 onclick=hh1.Click()>
<input type=button value=最大化 onclick=hh2.Click()>
<input type=button value=关闭 onclick=hh3.Click()> ZZ;^w&[
本例适用于IE
17.屏蔽功能键Shift,Alt,Ctrl
<script>
function look(){
if(event.shiftKey)
alert( "禁止按Shift键! "); //可以换成ALT CTRL
} ,WBh B!w zCY8C
document.onkeydown=look;
</script> &a"`p7f"n f3F
18. 网页不会被缓存
<META HTTP-EQUIV= "pragma " CONTENT= "no-cache ">
<META HTTP-EQUIV= "Cache-Control " CONTENT= "no-cache, must-revalidate "> ].FyO#~-r"U5P.Y
<META HTTP-EQUIV= "expires " CONTENT= "Wed, 26 Feb 1997 08:21:57 GMT ">
或者 <META HTTP-EQUIV= "expires " CONTENT= "0 ">
19.怎样让表单没有凹凸感?
<input type=text style= "border:1 solid #000000 ">
或 W _` wm"~P,cD
<input type=text style= "border-left:none; border-right:none; border-top:none; border-bottom: EA'P9rm._*_
1 solid #000000 "> </textarea> q+VpVa)H2G
20. <div> <span> & <layer> 的区别? +{J0q@{ T
<div> (division)用来定义大段的页面元素,会产生转行
<span> 用来定义同一行内的元素,跟 <div> 的唯一区别是不产生转行
<layer> 是ns的标记,ie不支持,相当于 <div>
21.让弹出窗口总是在最上面:
<body > \'@/[B"_
22.不要滚动条? cUk NE\H
让竖条没有: ot/F*E/Q t;RC
<body style= "overflow:scroll;overflow-y:hidden "> x1@5pa hKe {
</body>
让横条没有: zD3d!o9Q$SO
<body style= "overflow:scroll;overflow-x:hidden ">
</body>
两个都去掉?更简单了
<body scroll= "no "> K/Zd,@~
</body> W;s5tb)Jp
23.怎样去掉图片链接点击后,图片周围的虚线?
<a href= "# " > <img src= "/blog/logo.jpg " border=0> </a>
24.电子邮件处理提交表单
<form name= "form1 " method= "post " action= "[email=****@***.com]mailto:****@***.com[/email] " enctype= "text/plain "> ,jE]udf6E0e
<input type=submit> J3O.f5io!Z8a
</form>
25.在打开的子窗口刷新父窗口的代码里如何写? 2l Lc!^qw7\*_g/a
window.opener.location.reload() }x$s;AZR]
26.如何设定打开页面的大小 J;D?W-i/p'^*lL
<body >
打开页面的位置 <body >
27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
<STYLE>
body :Lt7d&ZV[N`
{background-image:url(/blog/logo.gif); background-repeat:no-repeat;
background-position:center;background-attachment: fixed} c6[D GLe d+up)?
</STYLE> C4l_ ZN"F ?8m7T
28. 检查一段字符串是否全由数字组成
<script language= "Javascript "> <!--
function checkNum(str){return str.match(//D/)==null}
alert(checkNum( "1232142141 ")) um}P(H!w.f mX&@+Z
alert(checkNum( "123214214a1 "))
// --> </script>
29. 获得一个窗口的大小
document.body.clientWidth; document.body.clientHeight
30. 怎么判断是否是字符 .Uv,v0i*C3me2a'H.WA
if (/[^/x00-/xff]/g.test(s)) alert( "含有汉字 ");
else alert( "全是字符 "); &X;]6NV r+I)qV
31.TEXTAREA自适应文字行数的多少
<textarea rows=1 name=s1 cols=27 >
</textarea> .] O6x2SK;\
32. 日期减去天数等于第二个日期
<script language=Javascript> X t4Scz+HY/p
function cc(dd,dadd)
{
//可以加上错误处理
var a = new Date(dd)
a = a.valueOf() +g)~Dh0M:h
a = a - dadd * 24 * 60 * 60 * 1000 %k;roX }
a = new Date(a) Z@pb } D2zl
alert(a.getFullYear() + "年 " + (a.getMonth() + 1) + "月 " + a.getDate() + "日 ") (q{,YV3}1]N?i
}
cc( "12/23/2002 ",2)
</script>
33. 选择了哪一个Radio g*|p+D;R
<HTML> <script language= "vbscript "> $w D%[@4Ov
function checkme() #i}s}LoZr
for each ob in radio1 i m3M'D~4d}#pa
if ob.checked then window.alert ob.value 8n%u;~*f X ~
next #F3W%S8B4d:oi2@/gK
end function
</script> <BODY>
<INPUT name= "radio1 " type= "radio " value= "style " checked> Style B%q/Y1h5H.ZcR(y
<INPUT name= "radio1 " type= "radio " value= "barcode "> Barcode
<INPUT type= "button " value= "check " >
</BODY> </HTML> ,sj lua6xfA
34.脚本永不出错
<SCRIPT LANGUAGE= "JavaScript "> 6Y,K$ham[
<!-- Hide ?6Zcn tz uw
function killErrors() {
return true; _-S+M/i+mp
} /Z'y7{Q,Jj&o GT:B-s
window.onerror = killErrors;
// -->
</SCRIPT>
35.ENTER键可以让光标移到下一个输入框