1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
uw{K&Hxw <table border oncontextmenu=return(false)><td>no</table> 可用于Table
0w?G&jjNtM kNv/L$oG 2. <body onselectstart="return false"> 取消选取、防止复制
h8:5[;e EOG&Xa 3. onpaste="return false" 不准粘贴
k.W1bF9n6 II{"6YI> 4. oncopy="return false;" oncut="return false;" 防止复制
xkfW^r HA3d9` 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
~jMfm~ E/3<8cV 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
u*8x.UE8C0 Imz1"+E~ 7. <input style="ime-mode:-Disabled"> 关闭输入法
C ,[q#D4 PbY=?>0 z 8. 永远都会带着框架
\Z$MH`_nu <script language="javascript"><!--
NkYC( ;g if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
?pkGejcQ // --></script>
xQ>T.nP}1 KdLj1T 9. 防止被人frame
UI74RP <SCRIPT LANGUAGE=javascript><!--
-H"^;37T" if (top.location != self.location)top.location=self.location;
^2"3h$DJfS // --></SCRIPT>
RpU.v
` ]I(<hDuRp 10. 网页将不能被另存为
aU%QJ#j <noscript><iframe src=*.html></iframe></noscript>
Io]KlR@!T qw}.
QwPT 11. <input type=button value=查看网页源代码
`0Xs!f onclick="window.location = `view-source:`+
http://www.51js.com/`";>
ONm-zRx| [*^rH: 12.删除时确认
]3CWb>!_ <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
YI+o:fGC5 J6g:.jsK! 除</a>
eOs 4c` @T&w
nk 13. 取得控件的绝对位置
;
nYR~~ //javascript
u'qc=5 <script language="javascript">
jl,>0MA function getIE(E){
mLH,6rO9 var t=e.offsetTop;
KfV&7yi var l=e.offsetLeft;
=|_k a8{? while(e=e.offsetParent){
,*g.?q@W2 t+=e.offsetTop;
O*m9qF< l+=e.offsetLeft;
dS;Ui]/J }
i} ?\K>BWq alert("top="+t+"/nleft="+l);
lcEUK }
].3@ Dk </script>
@%rj1Gn +=#@1k~ //VBScript
.*nr3dY <script language="VBScript"><!--
{lN G:o function getIE()
_!^2A3c< dim t,l,a,b
H<ZXe!q(nx set a=document.all.img1
RW^e#z>m"E t=document.all.img1.offsetTop
:\"g}AX l=document.all.img1.offsetLeft
5 IFc" while a.tagName<>"BODY"
y{J7^o(_~ set a = a.offsetParent
$c7Utms t=t+a.offsetTop
%Hy. l=l+a.offsetLeft
* a@78&N wend
$fQ'q3 msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
=7Sw29u< end function
pzcof#2 --></script>
{/K!cPp9 Dj x[3[' 14. 光标是停在文本框文字的最后
gv/yfiA? <script language="javascript">
RKwuvVI function cc()
u~\ NL{ {
DXx),?s> var e = event.srcElement;
ad`=A V ] var r =e.createTextRange();
Jek3K& r.moveStart(`character`,e.value.length);
|#x]/AXa0/ r.collapse(true);
F7U$7(I2G r.select();
HC(o;,spO }
JwcC9
O </script>
RgLk AHA <input type=text name=text1 value="123" onfocus="cc()">
Zl{DqC^ apv"s+ 15. 判断上一页的来源
Sbjc8V ut javascript:
PAs.T4Av^ document.referrer
ZG1 {"J/z 2GJp`2(%dA 16. 最小化、最大化、关闭窗口
Ls{]ohP <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
y.?Q <param name="Command" value="Minimize"></object>
ANXN.V <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
K"g`,G6S <param name="Command" value="Maximize"></object>
uEDvdd#V. <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
<M M(Z <PARAM NAME="Command" value="Close"></OBJECT>
o`7B@] `&g1`vg <input type=button value=最小化 onclick=hh1.Click()>
HQ`A.E2 <input type=button value=最大化 onclick=hh2.Click()>
`lN
Z|U <input type=button value=关闭 onclick=hh3.Click()>
f^ 6da6Z 本例适用于IE
0m'tPFQ| bh UghHT 17.屏蔽功能键Shift,Alt,Ctrl
;#S4$wISw` <script>
<k7q9"\4 function look(){
J|N>}di if(event.shiftKey)
n/Dk~Q) alert("禁止按Shift键!"; //可以换成ALT CTRL
`g:bvIV5x> }
|5me }!C document.onkeydown=look;
A&=`?4> </script>
onF?;>[ Pc=:j( 18. 网页不会被缓存
){xMMQ5 <META HTTP-EQUIV="pragma" CONTENT="no-cache">
& 6~AY:0r <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
G-W(giF;NO <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
uG7ll5Yy 或者<META HTTP-EQUIV="expires" CONTENT="0">
s]i<D9h X.JPM{] 19.怎样让表单没有凹凸感?
jjJ l\Vn <input type=text style="border:1 solid #000000">
cT3 s{k 或
tk'3Q 1L <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
G?v]|wdI 0A.9<&Lod 1 solid #000000"></textarea>
W0KSLxM eLyaTOZadu 20.<div><span>&<layer>的区别?
rI4N3d;C <div>(division)用来定义大段的页面元素,会产生转行
L+TM3*a* <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
uqK[p^{ <layer>是ns的标记,ie不支持,相当于<div>
[C( >e0r JU RJN+)z 21.让弹出窗口总是在最上面:
xZp`Ke! <body onblur="this.focus();">
#(d/A< j8{,u6w)- 22.不要滚动条?
c4xXsUBQk 让竖条没有:
G,A;`:/ <body style=`overflow:-Scroll;overflow-y:hidden`>
Wup%.yT~Ds </body>
Nzel^~ 让横条没有:
FHbw& <body style=`overflow:-Scroll;overflow-x:hidden`>
}ygxmb^@Z </body>
~{BR~\D 两个都去掉?更简单了
@BS7Gyw <body scroll="no">
6+x>g </body>
=-8y= )GF>]|CG 23.怎样去掉图片链接点击后,图片周围的虚线?
{^SHIL <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
!-Md+I_ n<66 7
< 24.电子邮件处理提交表单
c`4i#R <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
\>(S?)6 <input type=submit>
$_b^p= </form>
\C;F5AO -'Y@yIb 25.在打开的子窗口刷新父窗口的代码里如何写?
J)a^3> window.opener.location.reload()
/_CSRi& L$s;tJ 26.如何设定打开页面的大小
_chX
{_Hu- <body onload="top.resizeTo(300,200);">
i`HXBq!|w 打开页面的位置<body onload="top.moveBy(300,200);">
xgv&M:%D- Gt5'-Hyo 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
Kgu#Mi~ <style>
!nyUAZ9 : body
3M<T}> {background-image:url(logo.gif); background-repeat:no-repeat;
7P7d[KP< %eLf6|1x background-position:center;background-attachment: fixed}
ro*$OLc/ </style>
_0=$ 2Y^ L4H5#?' 28. 检查一段字符串是否全由数字组成
,.PmH.zjmR <script language="javascript"><!--
#J)83 function checkNum(str){return str.match(//D/)==null}
!:w&eFC6 alert(checkNum("1232142141"
PR*qyELu alert(checkNum("123214214a1"
zwpgf // --></script>
Fg-4u&Ik ?&GV~DYxA 29. 获得一个窗口的大小
!L\P.FP7b document.body.clientWidth; document.body.clientHeight
#\r5Q> {\zB'SNq 30. 怎么判断是否是字符
9Z;"9$+M if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
QX&1BKqWn else alert("全是字符";
coFQu ;i \)mV2r!% 31.TEXTAREA自适应文字行数的多少
e-/+e64Q@ <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
#ysSfM6 </textarea>