1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
yyVE%e5nl <table border oncontextmenu=return(false)><td>no</table> 可用于Table
9J}^{AA G$lE0_j2{ 2. <body onselectstart="return false"> 取消选取、防止复制
#Y'ub
5s BL\H@D 3. onpaste="return false" 不准粘贴
$cO-+Mr-~
kL -f@CD 4. oncopy="return false;" oncut="return false;" 防止复制
c8o2* C$ kh"APxQ79 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
zK: 2.4 WsmP]i^Q 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
Oh7wyQiV r)dXcus 7. <input style="ime-mode:-Disabled"> 关闭输入法
G/_8xmsU )},/=#C0 8. 永远都会带着框架
7C@m(oK <script language="javascript"><!--
<ZoMKUuB if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
*Y ?&N2@c // --></script>
n=h!V$X 1(a+| 9. 防止被人frame
l]5!$N* <SCRIPT LANGUAGE=javascript><!--
-
SCFWc if (top.location != self.location)top.location=self.location;
Rap_1o9#\ // --></SCRIPT>
,LDdL #\O?|bN'q 10. 网页将不能被另存为
]ex2c{
G <noscript><iframe src=*.html></iframe></noscript>
&c81q2 o{MmW~/o& 11. <input type=button value=查看网页源代码
O6\t_. onclick="window.location = `view-source:`+
http://www.51js.com/`";>
11-?M t,yMO 12.删除时确认
cq1)b\ | <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
%T~LK=m IU rGJ#}O 除</a>
SrvC34<7 V_H0z 13. 取得控件的绝对位置
SMHQh.O?5 //javascript
Z}r9jM <script language="javascript">
(=QiXX1r function getIE(E){
iaQ3mk# var t=e.offsetTop;
{pk&dB _Bu var l=e.offsetLeft;
-Rr Qv( while(e=e.offsetParent){
T=T1?@2C t+=e.offsetTop;
PWN$x`h g[ l+=e.offsetLeft;
R"{oj]d;$F }
RjG=RfB'V alert("top="+t+"/nleft="+l);
Ug^vVc) }
gib;> nuBK </script>
[hKt4]R NGuRyZp69& //VBScript
kBJx`tjtp <script language="VBScript"><!--
]*yUb-xY function getIE()
hkvymHaG dim t,l,a,b
rPoq~p[Y set a=document.all.img1
_{0IX t=document.all.img1.offsetTop
Q~$hx{foN l=document.all.img1.offsetLeft
[!>DQE while a.tagName<>"BODY"
e4Jx%v?_P set a = a.offsetParent
#TG.weTC t=t+a.offsetTop
2g_2$)2 l=l+a.offsetLeft
} !RBH(m% wend
](sT,' msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
oD7^9=# end function
d<afO?" --></script>
#P-T4R N#4"P:Sv 14. 光标是停在文本框文字的最后
$}Ky6sBnvO <script language="javascript">
Xe:e./@ function cc()
$|!@$A j {
5jK9cF$> var e = event.srcElement;
g.eMGwonTJ var r =e.createTextRange();
y@u,Mv r.moveStart(`character`,e.value.length);
>Gi*BB r.collapse(true);
=9cN{&qf r.select();
qgZN&7Nn: }
^WmP,Xf# </script>
R{SN.% {; <input type=text name=text1 value="123" onfocus="cc()">
X,i^OM_ E3,Nc`'m9 15. 判断上一页的来源
V75P@jv5J javascript:
R7~#7qKQB document.referrer
#tQ__V s2iL5N|"Q 16. 最小化、最大化、关闭窗口
Q
a8;MxK` <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
!Di*y$`}b <param name="Command" value="Minimize"></object>
cuo'V*nWQ <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
3eJ"7sftW <param name="Command" value="Maximize"></object>
CWS&f
g%o{ <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
g~Agy <PARAM NAME="Command" value="Close"></OBJECT>
29AWg(9?aS qQx5n <input type=button value=最小化 onclick=hh1.Click()>
Ym/y2B( <input type=button value=最大化 onclick=hh2.Click()>
{/PiX1mn <input type=button value=关闭 onclick=hh3.Click()>
Z^SF $+UN 本例适用于IE
W<s5rM x 0dKi25J 17.屏蔽功能键Shift,Alt,Ctrl
[ _wenlkm <script>
vK~tgZ& function look(){
15tT%TC if(event.shiftKey)
sDzlNMr?P+ alert("禁止按Shift键!"; //可以换成ALT CTRL
bf1EMai" }
%_%/ym document.onkeydown=look;
<\C/; </script>
g6Nw].{ |>L|7>J{<d 18. 网页不会被缓存
r&?i>.Kz8 <META HTTP-EQUIV="pragma" CONTENT="no-cache">
=[T_`*s& <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
RbGq$vYol/ <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
pX v@QD#! 或者<META HTTP-EQUIV="expires" CONTENT="0">
WyDL ah^/ ?R VY%s;g 19.怎样让表单没有凹凸感?
VwxLElV <input type=text style="border:1 solid #000000">
UOAL7 或
/!L#cUog <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
"<5su5] kz+OUA@~ 1 solid #000000"></textarea>
~99DE78 3iC$ "9!p 20.<div><span>&<layer>的区别?
gV-x1s+ <div>(division)用来定义大段的页面元素,会产生转行
h8me.=S& <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
}"CX` <layer>是ns的标记,ie不支持,相当于<div>
vsL)E:0 lyYi2& % 21.让弹出窗口总是在最上面:
tjIT4 <body onblur="this.focus();">
;Q&|-`NK ,
e6}p 22.不要滚动条?
}g\1JSJ%H 让竖条没有:
Bw;LGEHi| <body style=`overflow:-Scroll;overflow-y:hidden`>
[ijK~ </body>
)lsR8Hi8 让横条没有:
+^\TG>le <body style=`overflow:-Scroll;overflow-x:hidden`>
@CJ`T& </body>
VkChRzhC 两个都去掉?更简单了
8vL2<VT; <body scroll="no">
$x'p+&n\ </body>
eAPNF?0yh 2GRdfX 23.怎样去掉图片链接点击后,图片周围的虚线?
l,n
V*Z <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
71GyMtX WFTXSHcG 24.电子邮件处理提交表单
l9"T"9C{ <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
BD(Y=g <input type=submit>
ra4$/@3n </form>
v==b.
2= {hmC=j 25.在打开的子窗口刷新父窗口的代码里如何写?
c{X:0man window.opener.location.reload()
ZgP~VB0)$ ".Q``d&X 26.如何设定打开页面的大小
|\W9$V <body onload="top.resizeTo(300,200);">
x #Um` 打开页面的位置<body onload="top.moveBy(300,200);">
4%s6 d,6" 1K`7 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
v3ky;~ke <style>
;`f14Fb body
&Oih#I {background-image:url(logo.gif); background-repeat:no-repeat;
4N- T=Ig V4.&"0\n # background-position:center;background-attachment: fixed}
yDil </style>
@g{FNXY$ m =
@EN]u 28. 检查一段字符串是否全由数字组成
H`:2J8 <script language="javascript"><!--
&O:IRR7p function checkNum(str){return str.match(//D/)==null}
m/T3Um alert(checkNum("1232142141"
(1pR= alert(checkNum("123214214a1"
5S
EyAhB // --></script>
Ddr.kXIpo !d)Vr5x 29. 获得一个窗口的大小
Q/[g|" document.body.clientWidth; document.body.clientHeight
;tZ;C(;< .EF(<JC? 30. 怎么判断是否是字符
vo]!IY if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
? +q(,P@* else alert("全是字符";
*:+&SxL dx&!RK+ 31.TEXTAREA自适应文字行数的多少
+~x'1*A_ <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
?DwI>< W </textarea>