1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
1W}k>t8?h' <table border oncontextmenu=return(false)><td>no</table> 可用于Table
Y$+v " F*NHy.Y 2. <body onselectstart="return false"> 取消选取、防止复制
(/t{z= vy>(?[ 3. onpaste="return false" 不准粘贴
h96<9L Qkw_9 4. oncopy="return false;" oncut="return false;" 防止复制
_p9 _P g8 &._Mh 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
Z uP3/d 5Z#(C# 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
TY` R_ ?,[$8V 7. <input style="ime-mode:-Disabled"> 关闭输入法
gb[.Ww \\d8ulu 8. 永远都会带着框架
RtDTcaW/ <script language="javascript"><!--
A-$C6q if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
pF}E`U=Z // --></script>
N~S#(.}[ 5p3:8G7 9. 防止被人frame
q>6,g>I <SCRIPT LANGUAGE=javascript><!--
dKw[#(m5v if (top.location != self.location)top.location=self.location;
9,"gXsvx( // --></SCRIPT>
&[yYgfsp >gn@NJ2 N 10. 网页将不能被另存为
!!Yf>0u#
<noscript><iframe src=*.html></iframe></noscript>
Q2Uk0:M <YCR^?hJSi 11. <input type=button value=查看网页源代码
2<V` onclick="window.location = `view-source:`+
http://www.51js.com/`";>
wGHVq
fm5 ^a!oq~ZSy 12.删除时确认
W4h ]4X <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
sp0_f;bC ?;w\CS^Qu 除</a>
I^D*) z f&&Ao 13. 取得控件的绝对位置
C?6q]k]r //javascript
VwXR,( <script language="javascript">
'l-VWqR- function getIE(E){
?4R q + var t=e.offsetTop;
LVL#qNIu var l=e.offsetLeft;
:
>$v@d while(e=e.offsetParent){
X3ZKN; t+=e.offsetTop;
?b(DDQMf l+=e.offsetLeft;
M,Lq4 bz }
+hH7|:JQ alert("top="+t+"/nleft="+l);
&@PAv5iNf }
iA'p!l|P </script>
gDX\ p>7 >9<rc[ //VBScript
XqcNFSo) <script language="VBScript"><!--
Jr>Nc}!U function getIE()
^{E_fQJX dim t,l,a,b
7&V3f=aj6 set a=document.all.img1
x3jjtjf t=document.all.img1.offsetTop
Dd$8{~h"G l=document.all.img1.offsetLeft
azTiY@/ while a.tagName<>"BODY"
ZMK1V)ohn set a = a.offsetParent
.wtYostv t=t+a.offsetTop
zThut!O l=l+a.offsetLeft
e)F_zX wend
KT<N
;[; msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
ItAC=/(d end function
w7<4D,hk --></script>
GzT?I
7|M ^[2siG 14. 光标是停在文本框文字的最后
sq8O+AWl <script language="javascript">
h{?f
uoZj% function cc()
4k6: {
qJXfc||Zg var e = event.srcElement;
|CBJ8],mT var r =e.createTextRange();
KF`mOSP r.moveStart(`character`,e.value.length);
hm1.UE r.collapse(true);
;*20b@ r.select();
:a( Oc'T }
pT;xoe
</script>
BbzIQg: <input type=text name=text1 value="123" onfocus="cc()">
j?!/#' dmMrZ1u2 15. 判断上一页的来源
gLbTZM4i javascript:
)_Iu7b document.referrer
;y>}LGG $^#q0Yx 16. 最小化、最大化、关闭窗口
uU+?:C <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
!B#tJD <param name="Command" value="Minimize"></object>
UXHtmi|_: <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
P;ZVv{mT <param name="Command" value="Maximize"></object>
Vz y )jf <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
3tmS/tQp <PARAM NAME="Command" value="Close"></OBJECT>
GbC JGqOR +#@2, <input type=button value=最小化 onclick=hh1.Click()>
ORfMp'uP= <input type=button value=最大化 onclick=hh2.Click()>
`3dGn.M <input type=button value=关闭 onclick=hh3.Click()>
n." XiXsN 本例适用于IE
id/y_ekfP O*Z-3l 17.屏蔽功能键Shift,Alt,Ctrl
*uF Iw}C/ <script>
01+TVWKX function look(){
C3C&hq\% if(event.shiftKey)
`O?j -zR alert("禁止按Shift键!"; //可以换成ALT CTRL
W{kTM4 }
c>#3{}X|x% document.onkeydown=look;
1EliR uJ </script>
y*I,i*iv <?!%dV{z 18. 网页不会被缓存
z,SNJIsx <META HTTP-EQUIV="pragma" CONTENT="no-cache">
F Zk[w>{ <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
3X1
U <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
h;J%Z!Rjw 或者<META HTTP-EQUIV="expires" CONTENT="0">
Oc/ i' F[0w*i&u5 19.怎样让表单没有凹凸感?
z+nq<%"' <input type=text style="border:1 solid #000000">
SCq3Kh 或
ZVCa0Km
<input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
b.xG' //^{u[lr 1 solid #000000"></textarea>
/J&_ZDNV~ KhyGz"I!@$ 20.<div><span>&<layer>的区别?
W!a'KI' <div>(division)用来定义大段的页面元素,会产生转行
FOuPj+}F <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
B)&z% + <layer>是ns的标记,ie不支持,相当于<div>
0-Wv$o[
v&"sTcS| 21.让弹出窗口总是在最上面:
tSunO-\y <body onblur="this.focus();">
V:1_k"zQ v+d? #^ 22.不要滚动条?
~fz9PoC 让竖条没有:
W)u9VbPk[ <body style=`overflow:-Scroll;overflow-y:hidden`>
->@iw!5xu </body>
eXtlqU$ 让横条没有:
H$)otDOE <body style=`overflow:-Scroll;overflow-x:hidden`>
#2qv"ntW </body>
8fQXif\z 两个都去掉?更简单了
F^7qr <body scroll="no">
s&6/fa
</body>
G}'\ nD{{/_"' 23.怎样去掉图片链接点击后,图片周围的虚线?
3O?[Yhk`. <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
51!#m| <+ckE2j 24.电子邮件处理提交表单
5Ja[p~^L <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
G 2FD'Sf <input type=submit>
2L7ogyrU/A </form>
-qDL': W_|7hwr 25.在打开的子窗口刷新父窗口的代码里如何写?
^W[3RiG window.opener.location.reload()
Fr,b5 M<L7 Ng\] 26.如何设定打开页面的大小
S6c>D&Q <body onload="top.resizeTo(300,200);">
U5H5QW + 打开页面的位置<body onload="top.moveBy(300,200);">
W%K=N-kE_ }9Awv#+ 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
j$khGR! <style>
6b h.5| body
e|.a%,Dcy {background-image:url(logo.gif); background-repeat:no-repeat;
* l-F ++d[YhO background-position:center;background-attachment: fixed}
qk!,:T </style>
S~.%G)R :ZU-Vi.b 28. 检查一段字符串是否全由数字组成
tL
S$D- <script language="javascript"><!--
ZrDr/Q~ function checkNum(str){return str.match(//D/)==null}
#80r?,q alert(checkNum("1232142141"
A{\!nq_~N alert(checkNum("123214214a1"
||rZ+<
// --></script>
s"0Hz"[^= r?=3TAA 29. 获得一个窗口的大小
nb U?:=P document.body.clientWidth; document.body.clientHeight
>2LlBLQ Trml?zexD 30. 怎么判断是否是字符
vOBXAF if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
^ V8?6E else alert("全是字符";
6G?7>M
VKHzGfv 31.TEXTAREA自适应文字行数的多少
RVa{% <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
EdS7m,d </textarea>