1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
ah+iZ}E% <table border oncontextmenu=return(false)><td>no</table> 可用于Table
X*@dj_, xx%j.zDI] 2. <body onselectstart="return false"> 取消选取、防止复制
c|@bwat4 4u5-7[TZ 3. onpaste="return false" 不准粘贴
]F'e
aR g~A`N=r;h 4. oncopy="return false;" oncut="return false;" 防止复制
v<( "mvt>X 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
h|{]B,.Lh <T|3`#o0 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
l&Q`wR5e EGF '"L 7. <input style="ime-mode:-Disabled"> 关闭输入法
W+ko q*P =mp;.k95 8. 永远都会带着框架
U0N 60 <script language="javascript"><!--
SmSH2m- if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
e [mm // --></script>
6.nCV0xA FSW_<% 9. 防止被人frame
<+vw@M <SCRIPT LANGUAGE=javascript><!--
[;),\\u,d if (top.location != self.location)top.location=self.location;
9H`XeQ. // --></SCRIPT>
|_aa&v~ GH:jH]u!V 10. 网页将不能被另存为
]R f[y <noscript><iframe src=*.html></iframe></noscript>
zL `iK"N`
MC.)2B7 11. <input type=button value=查看网页源代码
ofw3S|F6 onclick="window.location = `view-source:`+
http://www.51js.com/`";>
qm8B8&- JNXq.;:`Q 12.删除时确认
CSq4x5!_7> <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
\B,@`dw P%&0]FCx 除</a>
>rKIG~P_ !0L Wa" 13. 取得控件的绝对位置
My[pr_xg //javascript
mQ26K~ <script language="javascript">
(b-MMr function getIE(E){
c>:wd@w var t=e.offsetTop;
9} M?P var l=e.offsetLeft;
Hp!-248 S while(e=e.offsetParent){
hVAn>_( t+=e.offsetTop;
SdxDa l+=e.offsetLeft;
hxd`OG<gF }
94.DHZqh alert("top="+t+"/nleft="+l);
DJ [#5h5 }
BdblLUGK# </script>
;d"F%M
y Y}|X|!0x //VBScript
vJc- 6EO <script language="VBScript"><!--
'RYIW/a function getIE()
`1{ZqRFQ dim t,l,a,b
MSqVlj set a=document.all.img1
q" sed] t=document.all.img1.offsetTop
]e>w}L(gV l=document.all.img1.offsetLeft
%JD,$pPs while a.tagName<>"BODY"
dkBIx$t set a = a.offsetParent
4,gK[ dc t=t+a.offsetTop
Z<y I\1 l=l+a.offsetLeft
[KaAXv
.X wend
P& -Qc msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
<~'"<HwtK end function
`FDiX7M --></script>
'+!1Y o'G suiS&$-E 14. 光标是停在文本框文字的最后
s6v; <script language="javascript">
sF?TmBQ* function cc()
Jg\zdi:t {
j0S#>t var e = event.srcElement;
)SRefW.v var r =e.createTextRange();
Gm.T;fc: r.moveStart(`character`,e.value.length);
ujq=F r.collapse(true);
9gEwh< r.select();
?;+1)> { }
)E@.!Ut4o </script>
JNYFD8J~ <input type=text name=text1 value="123" onfocus="cc()">
z] PSpUd
}mq6]ZrK 15. 判断上一页的来源
wyj{zWRJp javascript:
BsqP?/ document.referrer
a# y;dK l%pu HZ)t 16. 最小化、最大化、关闭窗口
5Y'qaIFR <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
n :\~'+$ <param name="Command" value="Minimize"></object>
xH(lm2kvT <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
9_rYBX <param name="Command" value="Maximize"></object>
NAQAU
*yP <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
#Z`q+@@]A <PARAM NAME="Command" value="Close"></OBJECT>
)Y6 + i6tf2oqO7 <input type=button value=最小化 onclick=hh1.Click()>
ith
3=`3 <input type=button value=最大化 onclick=hh2.Click()>
m}aB?+i <input type=button value=关闭 onclick=hh3.Click()>
.4M.y:F 本例适用于IE
$i}y 8nlQ RJ ||} 5 17.屏蔽功能键Shift,Alt,Ctrl
aS{n8P6vW <script>
;I 9&]
function look(){
6YLj^w] % if(event.shiftKey)
<+Dn8 alert("禁止按Shift键!"; //可以换成ALT CTRL
3<Zq ]jk?n }
bv9i*] document.onkeydown=look;
gG:Vt}N </script>
EQyC1j LX7FaW 18. 网页不会被缓存
T/Gz94c <META HTTP-EQUIV="pragma" CONTENT="no-cache">
B^Nf #XN( <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
;R5`"` <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
%C'?@,7C 或者<META HTTP-EQUIV="expires" CONTENT="0">
&Gn 2tr W5lR0)~#* 19.怎样让表单没有凹凸感?
]kG"ubHV?h <input type=text style="border:1 solid #000000">
+xSHL|:b 或
U;V7 u/{ <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
)}]g]
g '(VJ&UlS2 1 solid #000000"></textarea>
Y. 5_6'Eo? gsvuE 20.<div><span>&<layer>的区别?
" 4K(jXq| <div>(division)用来定义大段的页面元素,会产生转行
goRL1L,5 <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
5k3n\sqZA <layer>是ns的标记,ie不支持,相当于<div>
?(y*nD[a |`f$tj 21.让弹出窗口总是在最上面:
Av$^ <body onblur="this.focus();">
7 60Y$/Wz ?m=N]!n 22.不要滚动条?
1k5Who@ 让竖条没有:
:q7Wy&ow <body style=`overflow:-Scroll;overflow-y:hidden`>
k\YG^I </body>
a|x.C6Pe 让横条没有:
axRV:w;E< <body style=`overflow:-Scroll;overflow-x:hidden`>
[b<oDX# </body>
a
%'the 两个都去掉?更简单了
_AYK435>N <body scroll="no">
TJpD{p} </body>
Xy&A~F 6BHXp#
#z 23.怎样去掉图片链接点击后,图片周围的虚线?
e*(!^Q1 <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
}DEg-j,F
0hNA1Fh{U 24.电子邮件处理提交表单
ygS;$2m%2 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
y$F'(b|) <input type=submit>
C'@i/+ </form>
Ae^~Cz1qz #$+*; 25.在打开的子窗口刷新父窗口的代码里如何写?
} FlT%>Gw window.opener.location.reload()
p8H'{f\G .fFCC`&T 26.如何设定打开页面的大小
A*R^n}sh <body onload="top.resizeTo(300,200);">
|y#
Jx 打开页面的位置<body onload="top.moveBy(300,200);">
*74MWF@IY }wjw:M 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
o&zJ=k[4 <style>
cAqLE\h body
fZzoAzfv2 {background-image:url(logo.gif); background-repeat:no-repeat;
qIE9$7*X [nG<[<0G; background-position:center;background-attachment: fixed}
<8i//HOE </style>
c|B('3h 18d4fR 28. 检查一段字符串是否全由数字组成
o>i4CCU+ <script language="javascript"><!--
A5RN5`} function checkNum(str){return str.match(//D/)==null}
]G=L=D^cK alert(checkNum("1232142141"
qI9z;_,gNz alert(checkNum("123214214a1"
K5VWt)Z# // --></script>
m6K}|j '$IKtM`L 29. 获得一个窗口的大小
_LUhZlw document.body.clientWidth; document.body.clientHeight
\0I_< ,RI Gc US 30. 怎么判断是否是字符
VUGmi]qd if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
I-)+bV
G else alert("全是字符";
l0w]`EE m@F`!qY~Y\ 31.TEXTAREA自适应文字行数的多少
|A9F\A->4 <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
x8\?}UnB </textarea>