1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
-iGt]mbJkP <table border oncontextmenu=return(false)><td>no</table> 可用于Table
}r3,
fH I&3L1rl3{* 2. <body onselectstart="return false"> 取消选取、防止复制
RX4O1Z0 ?|Fu^eR%X 3. onpaste="return false" 不准粘贴
e2*0NT^R 5F+5J)h 4. oncopy="return false;" oncut="return false;" 防止复制
cRsLt/Wr X0^gj>GI| 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
6*cm s<5q%5ix3 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
k{Vc5F #s{>v$F 7. <input style="ime-mode:-Disabled"> 关闭输入法
DKm` kEf}yTy 8. 永远都会带着框架
~;_]U[eOL <script language="javascript"><!--
5(q\x(N if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
quN7'5ZC[ // --></script>
$TU=^W)X I7r{&X) D 9. 防止被人frame
K~z*P0g* <SCRIPT LANGUAGE=javascript><!--
#R4Mv(BG if (top.location != self.location)top.location=self.location;
H"WkZX // --></SCRIPT>
!I-+wc{ss ~`
@dI 10. 网页将不能被另存为
Gg|'T}0X <noscript><iframe src=*.html></iframe></noscript>
vC E$)z'" x9xb4ZW 11. <input type=button value=查看网页源代码
D-9zg\\'` onclick="window.location = `view-source:`+
http://www.51js.com/`";>
7Gnslp?[U P0~3<h?U8 12.删除时确认
vD D !.i <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
D$q"k" |Yh-`~~A" 除</a>
JaKR#Y$+~ pRx^O
F(3 13. 取得控件的绝对位置
v]F q}I" //javascript
jFM8dl
n <script language="javascript">
\#1!qeF function getIE(E){
'!Ps4ZTn_ var t=e.offsetTop;
4q/E7n var l=e.offsetLeft;
#bUWF|zfT while(e=e.offsetParent){
gGw6c" FRQ t+=e.offsetTop;
-}%'I]R= l+=e.offsetLeft;
Q-F'-@`(C }
</t_<I0{ alert("top="+t+"/nleft="+l);
J_}&Btb)e }
x5v^@_:
jr </script>
BnvUPDT& GC66n1- X //VBScript
kF3 EJ <script language="VBScript"><!--
s#`%c({U| function getIE()
bv9\Jp0c dim t,l,a,b
,r{*o6 set a=document.all.img1
B7nMyoj
t=document.all.img1.offsetTop
qnW5I_] l=document.all.img1.offsetLeft
Ox?LVRvxI while a.tagName<>"BODY"
_Ta9rDSP] set a = a.offsetParent
ZB:Fjq t=t+a.offsetTop
BS;rit: l=l+a.offsetLeft
"sz LTC]*6 wend
^8.R 'Yq msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
`=uCp^+v end function
G(JvAe]r --></script>
?Ee?Ol?i2 [A|W0 14. 光标是停在文本框文字的最后
4v3y3 <script language="javascript">
eG|e1t K+ function cc()
-yg9ug
{
_E)xR var e = event.srcElement;
\9Itu(<f var r =e.createTextRange();
9V?MJZ@aG r.moveStart(`character`,e.value.length);
AS|gi!OVA r.collapse(true);
P0RMdf r.select();
/ Zz2=gDY }
qzE/n </script>
Qo DWR5*^D <input type=text name=text1 value="123" onfocus="cc()">
a: iIfdd4' hOfd<k\A 15. 判断上一页的来源
+hY/4Tx< javascript:
gwThhwR document.referrer
:KgLjhj|) AbZ:AJ(
16. 最小化、最大化、关闭窗口
X^_,`H@ <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
1k2Ck <param name="Command" value="Minimize"></object>
vH#
US <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
"M7ry9dDH <param name="Command" value="Maximize"></object>
Lr)h>j6\ <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
L]9!-E <PARAM NAME="Command" value="Close"></OBJECT>
1kio.9NIp 1dfA
8=L,s <input type=button value=最小化 onclick=hh1.Click()>
'0H+ 2 <input type=button value=最大化 onclick=hh2.Click()>
5ez"B]&T <input type=button value=关闭 onclick=hh3.Click()>
5zpk6FR$ 本例适用于IE
mt fDl;/D 2s-f?WetbP 17.屏蔽功能键Shift,Alt,Ctrl
i= ~HXr} <script>
jA=uK6m function look(){
GuM-H$, if(event.shiftKey)
XS9k&~)* alert("禁止按Shift键!"; //可以换成ALT CTRL
GJ%It. }
RK'3b/T document.onkeydown=look;
m
oFK/5cJ </script>
%E1~I\n:F ?j8CkqX! 18. 网页不会被缓存
1Na CGD" <META HTTP-EQUIV="pragma" CONTENT="no-cache">
'9auQ(2 <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
t@}<&{zk <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
~rpYZLH/:0 或者<META HTTP-EQUIV="expires" CONTENT="0">
XZd !c Ff F!pUfF,& 19.怎样让表单没有凹凸感?
{zbH.V[ <input type=text style="border:1 solid #000000">
i`2Q;Az_P6 或
7X|&:V.s| <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
kG?tgO?* 8k_,Hni 1 solid #000000"></textarea>
SwC,=S *sAoYx 20.<div><span>&<layer>的区别?
xhUQ.(S`r6 <div>(division)用来定义大段的页面元素,会产生转行
8Y5*
1E* <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
rRT9)wDa <layer>是ns的标记,ie不支持,相当于<div>
b\=0[kBQw ;a{ Dr 21.让弹出窗口总是在最上面:
C9gF2ii|? <body onblur="this.focus();">
<+_OgF1G D-ug$ZRg 22.不要滚动条?
Vy}:Q[ 让竖条没有:
*>_:E6) <body style=`overflow:-Scroll;overflow-y:hidden`>
He#+zE; </body>
9!bD|-6y 让横条没有:
V_+3@C <body style=`overflow:-Scroll;overflow-x:hidden`>
%3xH<$Gq5 </body>
v{JCEb&wN 两个都去掉?更简单了
.]r[0U <body scroll="no">
l*nSgUg </body>
/^#}
\<; 'd(}bYr) 23.怎样去掉图片链接点击后,图片周围的虚线?
cB -XmX/ <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
EVb'x Zr f$2lq4P{ 24.电子邮件处理提交表单
!Toq~,a8? <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
Yv"uIj+'] <input type=submit>
ANT^&NjJ7 </form>
Jb
;el*,K >^<qke 25.在打开的子窗口刷新父窗口的代码里如何写?
'?3Hy|} window.opener.location.reload()
3D<P
[.bS 2jx""{ 26.如何设定打开页面的大小
/^4)V8D_S <body onload="top.resizeTo(300,200);">
xFg=Tyq: 打开页面的位置<body onload="top.moveBy(300,200);">
tQ`tHe L x9`y t6 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
.':SD{ <style>
_9L2JN$R6 body
:&_@U$ {background-image:url(logo.gif); background-repeat:no-repeat;
Xj!0jF33 CuuHRvU8 background-position:center;background-attachment: fixed}
<&H.pN1_ </style>
cG"jrQ "G`)x+<~Z8 28. 检查一段字符串是否全由数字组成
vtL) <script language="javascript"><!--
)}paQmy# function checkNum(str){return str.match(//D/)==null}
>Pv%E alert(checkNum("1232142141"
6 _73 alert(checkNum("123214214a1"
^GRd;v=-@ // --></script>
uidE/7 6GJ?rE E/ 29. 获得一个窗口的大小
z#,?*v document.body.clientWidth; document.body.clientHeight
yGS._;#R T( ;BEyc? 30. 怎么判断是否是字符
bZ3CJ f&mE if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
|$1j;#h else alert("全是字符";
g{<3*, anl?4q3;9 31.TEXTAREA自适应文字行数的多少
k U3]
eh\I <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
bz}T}nj </textarea>