1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
}0RFo96)v <table border oncontextmenu=return(false)><td>no</table> 可用于Table
!?/bK[
P,
qS|VUy4 2. <body onselectstart="return false"> 取消选取、防止复制
gj^]}6-P \[EWxu 3. onpaste="return false" 不准粘贴
{Xd5e@:Js $"{3i8$3mT 4. oncopy="return false;" oncut="return false;" 防止复制
>}*jsqaVU l)s +"C# 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
X~3P?O]kFv F4%[R) 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
Wp3l>: SGd.z6"H 7. <input style="ime-mode:-Disabled"> 关闭输入法
m!g8@YI J|24I4 8. 永远都会带着框架
iXRt9)MT{ <script language="javascript"><!--
-RQQ|:O$ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
P;LZ!I // --></script>
;i:wY& sLp
LY1X 9. 防止被人frame
rC `s;w <SCRIPT LANGUAGE=javascript><!--
oJT@'{;*z if (top.location != self.location)top.location=self.location;
B[
ka@z7 // --></SCRIPT>
]#.&f]6l &X,)+b= 10. 网页将不能被另存为
J)|K/W9 <noscript><iframe src=*.html></iframe></noscript>
Gx_e\fe-/ b.*4RL 11. <input type=button value=查看网页源代码
pw yl,A onclick="window.location = `view-source:`+
http://www.51js.com/`";>
wR4u}gb#q j]O[I^5 12.删除时确认
9z/_`Xd_ <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
3uG5b8? L.[uMuUa 除</a>
7`@?3? 0\nhg5]? 13. 取得控件的绝对位置
\Pmk`^T //javascript
)#~fS28j <script language="javascript">
%esZ}U function getIE(E){
(1j$*?iGA var t=e.offsetTop;
L"6/"L var l=e.offsetLeft;
$ _Bu,; while(e=e.offsetParent){
/
i2-h t+=e.offsetTop;
u>6/_^iq l+=e.offsetLeft;
WCT W#<izm }
VDjIs UUX alert("top="+t+"/nleft="+l);
E*CQG;^=N }
!BuJC$ </script>
TcmZ0L^O Bl\kU8O- //VBScript
Atq2pL" <script language="VBScript"><!--
L)Ar{*xC function getIE()
}QW~.>` dim t,l,a,b
0a6z"K} set a=document.all.img1
G$9|aaf`1# t=document.all.img1.offsetTop
Z*)Y:tk)b l=document.all.img1.offsetLeft
W<]Oo ] while a.tagName<>"BODY"
T8TsKjqOZ set a = a.offsetParent
:gaeb8`t t=t+a.offsetTop
|Umfq:W`y_ l=l+a.offsetLeft
g4SYG)'R+ wend
Yf)|ws?! msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
g]
C3lf- end function
^-*Tn --></script>
QN&^LaB<T R&_\&:4f 14. 光标是停在文本框文字的最后
9O T4jAm <script language="javascript">
UA4d|^ev function cc()
4?M3#],'h {
<O)X89dFM var e = event.srcElement;
u4M2Ec var r =e.createTextRange();
C{i;spc!bi r.moveStart(`character`,e.value.length);
)r,R!8 r.collapse(true);
&~A*(+S r.select();
maEpT43f }
FDs^S)B </script>
jTUf4&b- <input type=text name=text1 value="123" onfocus="cc()">
$RNUr
\9A 4yZ+,hqJ<9 15. 判断上一页的来源
l%U_iqL& javascript:
%R*vSRG/U document.referrer
jP.b oj_u* 9`n)"r 16. 最小化、最大化、关闭窗口
S@zkoj@ <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
c1A G3Nb <param name="Command" value="Minimize"></object>
z<vO# <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
=/QU$[7X( <param name="Command" value="Maximize"></object>
-hFyqIJW <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
+ls*//R <PARAM NAME="Command" value="Close"></OBJECT>
:tqm2t x`6^+>y^ <input type=button value=最小化 onclick=hh1.Click()>
\j})Kul <input type=button value=最大化 onclick=hh2.Click()>
_ u|FJTk <input type=button value=关闭 onclick=hh3.Click()>
{!e ANm' 本例适用于IE
X<}o>
6|d agU!D[M_G 17.屏蔽功能键Shift,Alt,Ctrl
Y{2d4VoW6 <script>
XL/o y'_ function look(){
rbuL@=S@* if(event.shiftKey)
<CKmMZ{ alert("禁止按Shift键!"; //可以换成ALT CTRL
OC>_=i$' }
Ar7mH4M document.onkeydown=look;
Z t+FRR= </script>
P:,
x?T?J^ T\
}v$A03 18. 网页不会被缓存
eQaxZMU <META HTTP-EQUIV="pragma" CONTENT="no-cache">
LSu^#B <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
>"<k8wn <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
46P6Bwobh 或者<META HTTP-EQUIV="expires" CONTENT="0">
o),6o'w( 1mVVPt^6 19.怎样让表单没有凹凸感?
hn\Q6f+ <input type=text style="border:1 solid #000000">
K_+;"G 或
3JZWhxkf[$ <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
{+6D-rDw V>j hGf 1 solid #000000"></textarea>
SM /ykk pz35trW 20.<div><span>&<layer>的区别?
LQ(5D_yG. <div>(division)用来定义大段的页面元素,会产生转行
d
O46~ <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
|*c\6 : <layer>是ns的标记,ie不支持,相当于<div>
o|;eMO- waWKpk1Wo 21.让弹出窗口总是在最上面:
^g-t#O lD? <body onblur="this.focus();">
zIm_7\e J1]w*2 22.不要滚动条?
N>pmhskN? 让竖条没有:
)dIfr <body style=`overflow:-Scroll;overflow-y:hidden`>
g?[&0r1 </body>
Ph+X{| 让横条没有:
oAZF3h]po <body style=`overflow:-Scroll;overflow-x:hidden`>
lHKf#| </body>
-?YT Q@ W 两个都去掉?更简单了
5%Oyvt]}2 <body scroll="no">
KW|\)83$ </body>
pba8=Z 'uKkl(==% 23.怎样去掉图片链接点击后,图片周围的虚线?
%t`SSW7I <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
ZG@M%|> VwOG?5W/ 24.电子邮件处理提交表单
T4~`e_ <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
Q1nDl <input type=submit>
]Q4PbW </form>
WfDX"rA a\{1UD 25.在打开的子窗口刷新父窗口的代码里如何写?
PwB g window.opener.location.reload()
% nmY:}um "<w2v'6S 26.如何设定打开页面的大小
M .)}e7 <body onload="top.resizeTo(300,200);">
^6aS]t 打开页面的位置<body onload="top.moveBy(300,200);">
H\| ]!8w5Z V'"I9R'1 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
Rj}o4s2x <style>
4g7ja body
MZ5Y\-nq\ {background-image:url(logo.gif); background-repeat:no-repeat;
6
tc:A5mK rXY;m- background-position:center;background-attachment: fixed}
:GQIlA8cF$ </style>
.5Knb c zRV!(Y 28. 检查一段字符串是否全由数字组成
nJleef9 <script language="javascript"><!--
] dHB} function checkNum(str){return str.match(//D/)==null}
^.D}k alert(checkNum("1232142141"
a;"Uz|rz alert(checkNum("123214214a1"
^IVe[P' // --></script>
&@%
b?~ (rr}Pv%yb 29. 获得一个窗口的大小
Gg9VS&VI document.body.clientWidth; document.body.clientHeight
j1puB -Aa]aDAz68 30. 怎么判断是否是字符
/Fe:h>6 if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
`k(u:yGK else alert("全是字符";
}qiF^D} o#xgrMB 31.TEXTAREA自适应文字行数的多少
LZM,QQ <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
\T`["< </textarea>