1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
mm/U9hbp% <table border oncontextmenu=return(false)><td>no</table> 可用于Table
c.6u)"@$ xb0hJ~e 2. <body onselectstart="return false"> 取消选取、防止复制
Ks@S5:9sp X<\^*{ 3. onpaste="return false" 不准粘贴
vi@a87w> N~l(ng9'U 4. oncopy="return false;" oncut="return false;" 防止复制
4Cke(G \2-!%i, 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
kLMg|48fdI }cgEC- 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
yk!,{Q?<$ 15VOQE5Fl` 7. <input style="ime-mode:-Disabled"> 关闭输入法
ps"crV-W cKh { s 8. 永远都会带着框架
f<9H#S: <script language="javascript"><!--
flIdL, if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
iHr{
VQ // --></script>
\:4WbM:B S0/@y'q3en 9. 防止被人frame
E}c(4RY <SCRIPT LANGUAGE=javascript><!--
l*HONl&j if (top.location != self.location)top.location=self.location;
&|iFhf[o // --></SCRIPT>
pA='(G K8Gc5#OF 10. 网页将不能被另存为
|@]J*Kh <noscript><iframe src=*.html></iframe></noscript>
=+~e44!~D bM_Y(TgJ 11. <input type=button value=查看网页源代码
f%ZqK_CW onclick="window.location = `view-source:`+
http://www.51js.com/`";>
[0yKd?e ?(Dkh${@ 12.删除时确认
9H2^4D8 <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
YoGnk^$ `j(\9j ok 除</a>
iOPv
% [ '?E^\\"* 13. 取得控件的绝对位置
ldrKk'S,B //javascript
cbsy&U <script language="javascript">
zBay 3a function getIE(E){
;WJ}zjo > var t=e.offsetTop;
b=:AFs{ var l=e.offsetLeft;
N/DcaHFYo while(e=e.offsetParent){
yJWgz`/L t+=e.offsetTop;
9@./=5N~3 l+=e.offsetLeft;
HC*=E.J }
Kpz>si?CL alert("top="+t+"/nleft="+l);
;TF(opW: }
Bt[`p\p@ </script>
z!)_'A SWUHHl //VBScript
a-4'jT: <script language="VBScript"><!--
_xI'p6C function getIE()
/>Tyiy]2uu dim t,l,a,b
`/f9
mn set a=document.all.img1
l?NRQTG t=document.all.img1.offsetTop
;E(gl$c: l=document.all.img1.offsetLeft
gZ%B9i: while a.tagName<>"BODY"
" _jIqj6C set a = a.offsetParent
}Ga@bY6 t=t+a.offsetTop
\2U^y4K. l=l+a.offsetLeft
2WIL0Siwl wend
a k@0M[d msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
- 6;0 x end function
C#emmg!a\ --></script>
-. L)-%wIV N$M#3Y; 14. 光标是停在文本框文字的最后
S6h=}
V) <script language="javascript">
e-,U@_B function cc()
R5ZnkPEA {
xAYC%) var e = event.srcElement;
NO P~?p var r =e.createTextRange();
pB|L%#.cW r.moveStart(`character`,e.value.length);
Ht5 %fcD r.collapse(true);
Qpndi$2H! r.select();
ro6|N?' }
|0U"#xkf </script>
$B7<1{<=W <input type=text name=text1 value="123" onfocus="cc()">
5UVQ48aT #57nm]? 15. 判断上一页的来源
oylY1~~}0K javascript:
U;D!m+.HK document.referrer
[Oxmg?W yX,2`&c 16. 最小化、最大化、关闭窗口
l\-1W2 <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
HLg/=VF7? <param name="Command" value="Minimize"></object>
1Z'cL~9 <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
9hHQWv7TgK <param name="Command" value="Maximize"></object>
!.zUY6 <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
}IC$Du# <PARAM NAME="Command" value="Close"></OBJECT>
r[vMiVb X, <l <input type=button value=最小化 onclick=hh1.Click()>
W=j/2c/ <input type=button value=最大化 onclick=hh2.Click()>
@X>k@M <input type=button value=关闭 onclick=hh3.Click()>
^b~&}uU 本例适用于IE
Kf76./ LZMdW
#,[ 17.屏蔽功能键Shift,Alt,Ctrl
3%/]y=rA <script>
.6!IO^`[ function look(){
&0K;Vr~D if(event.shiftKey)
<&n3" alert("禁止按Shift键!"; //可以换成ALT CTRL
U
u(ysN4` }
9U>ID{ document.onkeydown=look;
LG [2u </script>
;9q3FuR YPDc
/ 18. 网页不会被缓存
?1xBhKq <META HTTP-EQUIV="pragma" CONTENT="no-cache">
3P6pQm'.f <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
F
71 <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
+uM1#-+h 或者<META HTTP-EQUIV="expires" CONTENT="0">
ge`)sB, ,ZJI]Q=! 19.怎样让表单没有凹凸感?
COOazXtW <input type=text style="border:1 solid #000000">
VCiJ]$`M 或
'X_iiR8n@p <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
@z EEX9U Y$--Hp4 1 solid #000000"></textarea>
z_*]joL JS642T 20.<div><span>&<layer>的区别?
g:q+.6va" <div>(division)用来定义大段的页面元素,会产生转行
n>Y3hY <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
RsIEY5Q <layer>是ns的标记,ie不支持,相当于<div>
2xZg, \ q =b.!AZy 21.让弹出窗口总是在最上面:
/_rQ>PgSZW <body onblur="this.focus();">
(s
%T18 z tHGY 22.不要滚动条?
&jl'1mZ 让竖条没有:
}H?8~S= <body style=`overflow:-Scroll;overflow-y:hidden`>
HPCzh </body>
l#7,<@) 让横条没有:
oB-&ma[ZS <body style=`overflow:-Scroll;overflow-x:hidden`>
pco~Z{n </body>
Xl#vVyO 两个都去掉?更简单了
[zm&}$nnN <body scroll="no">
D2[wv+#) </body>
#~Lh#@h rnIv|q6@ 23.怎样去掉图片链接点击后,图片周围的虚线?
Xf:CGR8_ <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
mbsdiab#N ^v}Z5,aN 24.电子邮件处理提交表单
j$Vv'on <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
C0jmjZ%w@ <input type=submit>
uwj/]#` </form>
wHBkaPO! =9\=5_V 25.在打开的子窗口刷新父窗口的代码里如何写?
uw
L T$ window.opener.location.reload()
a)(j68c +N5G4t#. 26.如何设定打开页面的大小
UQ$dO2^ <body onload="top.resizeTo(300,200);">
@I]uK[qd 打开页面的位置<body onload="top.moveBy(300,200);">
]"dZE2! j23OgbI 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
n8w|8[uV^ <style>
tRS^|?? body
Ve2z= 6( {background-image:url(logo.gif); background-repeat:no-repeat;
$9y]>R k1L GT& background-position:center;background-attachment: fixed}
%{yr#F=t#] </style>
nqBZp N^ bFVz ; 28. 检查一段字符串是否全由数字组成
-]Z!_[MlDF <script language="javascript"><!--
vROl}s; function checkNum(str){return str.match(//D/)==null}
dY~3YD[ alert(checkNum("1232142141"
UX41/# 4 alert(checkNum("123214214a1"
L:`|lc=^ // --></script>
394u']M A~ '2ki5$g 29. 获得一个窗口的大小
?fXg_?+{'g document.body.clientWidth; document.body.clientHeight
.!U `,)I $sU?VA'h 30. 怎么判断是否是字符
=P'=P0G if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
gET& +M else alert("全是字符";
!__f Umv_{n` 31.TEXTAREA自适应文字行数的多少
3HO4h\mp <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
S5"xb </textarea>