1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
ZvkO#j <table border oncontextmenu=return(false)><td>no</table> 可用于Table
^ bexXYh %_(e{Mf) 2. <body onselectstart="return false"> 取消选取、防止复制
wg<DV!GZ ES(b#BlrP/ 3. onpaste="return false" 不准粘贴
bs
kG!w -nV]%vJ$R} 4. oncopy="return false;" oncut="return false;" 防止复制
:&/'rMi<T 3*/y<Z'H 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
(m|p|rL |/Ggsfmby 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
(VI4kRj * A@~!@XE4 7. <input style="ime-mode:-Disabled"> 关闭输入法
1Vp['& ';^VdR]fk 8. 永远都会带着框架
dArg'Dc4 <script language="javascript"><!--
v<ASkkh> if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
DKPX_:: // --></script>
O<
v0{z09* l7Zqk GG] 9. 防止被人frame
]KA|};>ow <SCRIPT LANGUAGE=javascript><!--
^$FHI_ if (top.location != self.location)top.location=self.location;
<2fZYt vt // --></SCRIPT>
%{Kp#R5E .Qyq*6T3& 10. 网页将不能被另存为
w+fsw@dK& <noscript><iframe src=*.html></iframe></noscript>
4@u*#Bp`| o3#qp>R 11. <input type=button value=查看网页源代码
:3gtc/p t> onclick="window.location = `view-source:`+
http://www.51js.com/`";>
2>Xgo% q3z<v:=1y 12.删除时确认
[O2xE037h` <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
L09YA ||;V5iR: 除</a>
0>6J - F
*=>= 13. 取得控件的绝对位置
7.,C'^ci //javascript
k-Hy>5; <script language="javascript">
Eh^c4x function getIE(E){
`+CRUdr var t=e.offsetTop;
B36_OH var l=e.offsetLeft;
bg'Qq|<U while(e=e.offsetParent){
bE74Ui t+=e.offsetTop;
p`fUpARA! l+=e.offsetLeft;
F/tGk9v }
AU -, alert("top="+t+"/nleft="+l);
A_tdtN< }
>=G;rs </script>
&GGJ=c\ eGkB#.+J! //VBScript
8d?r )/~ <script language="VBScript"><!--
jdiH9]&U function getIE()
_D1Uc| dim t,l,a,b
7?9QlUO set a=document.all.img1
!i,Eo-[Z t=document.all.img1.offsetTop
vO`~rUA l=document.all.img1.offsetLeft
<U%4$83$ while a.tagName<>"BODY"
U>H"N1 set a = a.offsetParent
r7+"i9 t=t+a.offsetTop
2F%2K?$`Ej l=l+a.offsetLeft
sG7G$G*ta! wend
WWhAm{m
msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
h 6Ovl end function
o,>9|EMQZ --></script>
Z@2^> eC O{R)0& 14. 光标是停在文本框文字的最后
R.@ I}> <script language="javascript">
wW
EnAW~ function cc()
"Rr)1x7 {
w<#/ngI2 var e = event.srcElement;
?41bZ$j var r =e.createTextRange();
#Z#rOh r.moveStart(`character`,e.value.length);
C jISU$O r.collapse(true);
X
[IVK~D}z r.select();
.)59*'0
}
6hp>w{+ </script>
O_OgTa <input type=text name=text1 value="123" onfocus="cc()">
Q=9Ce@[ fUx;_GX?
15. 判断上一页的来源
6|:K1bI) javascript:
#J~
document.referrer
h]T 0`UI^Y~Q 16. 最小化、最大化、关闭窗口
WVyk?SBw <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
VUnO&zV{ <param name="Command" value="Minimize"></object>
kn<IWW_t <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
o5LyBUJ <param name="Command" value="Maximize"></object>
*lyy |3z <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
o|(Ivt7jk <PARAM NAME="Command" value="Close"></OBJECT>
Vl'Gi44)3" 0h/bC)z
<input type=button value=最小化 onclick=hh1.Click()>
zW#P
~zS <input type=button value=最大化 onclick=hh2.Click()>
ZZq]I <input type=button value=关闭 onclick=hh3.Click()>
O:%s;p
5 本例适用于IE
Yw=7(} 3MX&%_wUhB 17.屏蔽功能键Shift,Alt,Ctrl
n x4:n@J <script>
{6Y |Z> function look(){
0OCmyy if(event.shiftKey)
PtsQV! alert("禁止按Shift键!"; //可以换成ALT CTRL
=D;n#n 7 }
+*uaB document.onkeydown=look;
9U&~H*Hf </script>
42$ pvw< 8k +^jj 18. 网页不会被缓存
Hq$&rNnq\ <META HTTP-EQUIV="pragma" CONTENT="no-cache">
{$qE>ic <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
o-I:p$B - <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
>|zMN$: 或者<META HTTP-EQUIV="expires" CONTENT="0">
+xNV1bM sE^ee2]OI@ 19.怎样让表单没有凹凸感?
B703{k <input type=text style="border:1 solid #000000">
| KtI:n4d 或
IVSOSl| <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
]QC9y:3 &fofFVQnW 1 solid #000000"></textarea>
Jlp nR#@ Sf*1Z~P| 20.<div><span>&<layer>的区别?
%\"<lyD <div>(division)用来定义大段的页面元素,会产生转行
Ua hsX <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
lT^/8Z<g <layer>是ns的标记,ie不支持,相当于<div>
-.xiq0 Mc,3j~i 21.让弹出窗口总是在最上面:
6 &Lr/J76 <body onblur="this.focus();">
Ef @
r)S:-wP 22.不要滚动条?
A(eB\qG 让竖条没有:
PH.g+u=v <body style=`overflow:-Scroll;overflow-y:hidden`>
;gGq\c </body>
or,:5Z 让横条没有:
wxJu=#!M <body style=`overflow:-Scroll;overflow-x:hidden`>
=E.!Ff4~( </body>
OEw#;l4 C 两个都去掉?更简单了
{ty)2 <body scroll="no">
%lq[,6?>5 </body>
9Js+*,t tn{YIp 23.怎样去掉图片链接点击后,图片周围的虚线?
m^%@bu, <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
bog3=Ig- f+!k:}K 24.电子邮件处理提交表单
T<oDLJA\ <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
S-'R84M,F <input type=submit>
mF:Pplf< </form>
=U7P\sw2 N C%96gfD 25.在打开的子窗口刷新父窗口的代码里如何写?
60TM!\ window.opener.location.reload()
zfrNM9C }1
,\*)5 26.如何设定打开页面的大小
E/V_gci <body onload="top.resizeTo(300,200);">
@AtJO>w 打开页面的位置<body onload="top.moveBy(300,200);">
sZx`u+ A^ofs*"Y 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
"%}24t% <style>
S=}1k,I body
_?>x{![ {background-image:url(logo.gif); background-repeat:no-repeat;
'Zs3b4n8 {oSdVRI background-position:center;background-attachment: fixed}
6l'J!4*qY </style>
U ,NGV0 6(=B`Z}a 28. 检查一段字符串是否全由数字组成
fUMjLA|*I< <script language="javascript"><!--
}W)b function checkNum(str){return str.match(//D/)==null}
Jxf>!\:AZu alert(checkNum("1232142141"
W_L*S4 ~ alert(checkNum("123214214a1"
3n,jrX75u // --></script>
FI,K 0sO/| |k$6"dXSO 29. 获得一个窗口的大小
P!Brw72 document.body.clientWidth; document.body.clientHeight
)SZzA' QLH!> 9Ch 30. 怎么判断是否是字符
i50E#+E8 if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
en>n\;U else alert("全是字符";
u*f`\vs $Qz<:?D 31.TEXTAREA自适应文字行数的多少
|LW5dtQ <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
[tT_ z<e` </textarea>