1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
Dv&>*0B <table border oncontextmenu=return(false)><td>no</table> 可用于Table
}N3V5cab wGvhB%8K 2. <body onselectstart="return false"> 取消选取、防止复制
)^4hQ3BS )QmGsU}? 3. onpaste="return false" 不准粘贴
^[k0k(_ Z@3l%p6V 4. oncopy="return false;" oncut="return false;" 防止复制
?d$"[lKX $5,~JYcb 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
nH@(Y&S OifvUTl9b 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
jM~Bu.7 i6 eNRs&^ 7. <input style="ime-mode:-Disabled"> 关闭输入法
V!4a*,Pz #~^btL'dHF 8. 永远都会带着框架
dpwD8Q<
U <script language="javascript"><!--
$I@GUtzjp if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
.WvlaPK // --></script>
c<wavvfUo L=O lyHO 9. 防止被人frame
MIq"Wy|Zs <SCRIPT LANGUAGE=javascript><!--
\fZiL!E^7 if (top.location != self.location)top.location=self.location;
8eluO ?p // --></SCRIPT>
t9FDU fc@'9-pt 10. 网页将不能被另存为
;QBh;jg4 <noscript><iframe src=*.html></iframe></noscript>
9#7J:PfZ< %,\=s.~1 11. <input type=button value=查看网页源代码
!Xj#@e onclick="window.location = `view-source:`+
http://www.51js.com/`";>
!\-WEQrp\ _qn?2u3mnR 12.删除时确认
a(;!O}3_)( <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
3e% nA8? w(U:U-MNe 除</a>
h[kU<mU"T mdW~~-@H 13. 取得控件的绝对位置
X32C}4-B //javascript
<8!
Tq <script language="javascript">
wN97_Y=`n function getIE(E){
e_.Gw"/Yl var t=e.offsetTop;
Fv8f+)k)Z~ var l=e.offsetLeft;
|mhKI is U while(e=e.offsetParent){
P(,?#+]- t+=e.offsetTop;
{u"8[@@./ l+=e.offsetLeft;
1vnYogL }
.5w azvA alert("top="+t+"/nleft="+l);
aJhxc<"e }
D3D}DaEYj </script>
aI3CNeav *nC(-(r:J` //VBScript
!m;H@KR{ <script language="VBScript"><!--
8)L*AdDAW! function getIE()
iafE5b) dim t,l,a,b
I|9
SiZ0 set a=document.all.img1
}!p`1]gem t=document.all.img1.offsetTop
o*5U:'=5} l=document.all.img1.offsetLeft
*bd[S0l while a.tagName<>"BODY"
MSw$_d set a = a.offsetParent
]fBUT6 t=t+a.offsetTop
Qkcjr]#^$ l=l+a.offsetLeft
j$Ab>}g] wend
T/pqSmVpM msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
@WMA }\Cc end function
=Yz'D|=t --></script>
)G~w[~ g%nl!dgS 14. 光标是停在文本框文字的最后
=LkR!R= <script language="javascript">
bQ'8SCe function cc()
}}|)Yq {
pav'1d% var e = event.srcElement;
*.#oxcll var r =e.createTextRange();
-VxDNT}Tr r.moveStart(`character`,e.value.length);
.,0b E r.collapse(true);
Hc^W%t~ r.select();
#P<N^[m }
#]P9b@@e </script>
,<-G<${ <input type=text name=text1 value="123" onfocus="cc()">
!-<p,z {vEOn-(7 15. 判断上一页的来源
,:LA.o}h javascript:
M_g?<rK document.referrer
]hos+;4p */:uV
B,b2 16. 最小化、最大化、关闭窗口
U*3J+Y <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
qz?mh4Oh <param name="Command" value="Minimize"></object>
br-]fE.be <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
a.N{-2ptH <param name="Command" value="Maximize"></object>
NIdZ <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
w| `h[/, <PARAM NAME="Command" value="Close"></OBJECT>
GZI`jS"lU SZaS;hhhHu <input type=button value=最小化 onclick=hh1.Click()>
#$1Z <input type=button value=最大化 onclick=hh2.Click()>
'R-3fO??? <input type=button value=关闭 onclick=hh3.Click()>
7xRl9 本例适用于IE
Q></`QWpoB n3AaZp[ 17.屏蔽功能键Shift,Alt,Ctrl
c\a_VRN>r <script>
ry9T U function look(){
#@<9S{F if(event.shiftKey)
'AN>`\mR$ alert("禁止按Shift键!"; //可以换成ALT CTRL
1-lu\"H` }
cufH?Xg< document.onkeydown=look;
&f-Uyr7? </script>
zR2B-
&]H .o) `m9/ 18. 网页不会被缓存
;)N>t\v <META HTTP-EQUIV="pragma" CONTENT="no-cache">
lpz2 m\ <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
lOtDqb& <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
;4Y%PVz~D 或者<META HTTP-EQUIV="expires" CONTENT="0">
*98$dQR$ O,Cb"{qH8 19.怎样让表单没有凹凸感?
|*}4 m'c <input type=text style="border:1 solid #000000">
BNL;Biyt7 或
w!fE;H8w6 <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
z`:lcF{V ~l)-wNqR4r 1 solid #000000"></textarea>
4$P0 : tQS5hwm* 20.<div><span>&<layer>的区别?
rqY`8Ry2M <div>(division)用来定义大段的页面元素,会产生转行
'&\kxNglJ <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
Hy^N!rBxfO <layer>是ns的标记,ie不支持,相当于<div>
r zt Ru 30SW\@ 21.让弹出窗口总是在最上面:
uD^cxD <body onblur="this.focus();">
6oGYnu;UZ tCdqh- 22.不要滚动条?
p6;OL@\~ 让竖条没有:
9jw\s P@ <body style=`overflow:-Scroll;overflow-y:hidden`>
2AMo:Jqv </body>
\--8lH -K 让横条没有:
'IwNTM <body style=`overflow:-Scroll;overflow-x:hidden`>
[n:<8ho </body>
#`)(e JF 两个都去掉?更简单了
Le\?+h42> <body scroll="no">
~^1 {B\I </body>
Eea*s' [k/@E+; 23.怎样去掉图片链接点击后,图片周围的虚线?
_no*k?o* <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
c9&xe"v ~XOTs 24.电子邮件处理提交表单
>&}%+r\ <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
?`PvL!' <input type=submit>
uC(V </form>
)8$=C#qC[ gcl5jB5)> 25.在打开的子窗口刷新父窗口的代码里如何写?
% ~H=sjg window.opener.location.reload()
oY H^_V \RC'XKQ*n 26.如何设定打开页面的大小
v@
lM3_rbO <body onload="top.resizeTo(300,200);">
RO'7\xvn 打开页面的位置<body onload="top.moveBy(300,200);">
q1d}{DU J?'!8,RX 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
g\'sGt3 O <style>
.U_=LV]C body
x{$NstGB {background-image:url(logo.gif); background-repeat:no-repeat;
~55>uw< wn`budH?c8 background-position:center;background-attachment: fixed}
fp0Va!T(V </style>
^MUM04l 1 <+^$QL 28. 检查一段字符串是否全由数字组成
{NR~>=~K- <script language="javascript"><!--
]mSVjF3l function checkNum(str){return str.match(//D/)==null}
Za w+ alert(checkNum("1232142141"
n:P}K?lg alert(checkNum("123214214a1"
\m&:J>^ // --></script>
YSbN=Rj o;fQ,rP% 29. 获得一个窗口的大小
EX_&wep@1 document.body.clientWidth; document.body.clientHeight
RS~oSoAE xpz
Jt2S 30. 怎么判断是否是字符
fJuJ#MX{: if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
YC~+r8ME$j else alert("全是字符";
6k2~j j1d =E}/Z 31.TEXTAREA自适应文字行数的多少
\GWC5R7Q0j <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
M4| L </textarea>