1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
kKL'rT6z <table border oncontextmenu=return(false)><td>no</table> 可用于Table
6U~AKq"+f 67/J sL 2. <body onselectstart="return false"> 取消选取、防止复制
no_;^Ou? &0cfTb)dG 3. onpaste="return false" 不准粘贴
.P(k |D& p^QZGu-.W 4. oncopy="return false;" oncut="return false;" 防止复制
BBuI|lr /}A"F[5 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
n]:Xmi8p @i2"+_}* 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
/iURP-rl zGgPW 7. <input style="ime-mode:-Disabled"> 关闭输入法
-!i1xR(;h HR'sMu3 8. 永远都会带着框架
Pt< JF <script language="javascript"><!--
0%J0.USkM7 if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
9/2VU<
K // --></script>
m#6RJbEz *g7BR`Bt]z 9. 防止被人frame
Y\s ge <SCRIPT LANGUAGE=javascript><!--
4P(muOS if (top.location != self.location)top.location=self.location;
X.}i9a
6 // --></SCRIPT>
/c2|
*"@X w]L^)_'Th 10. 网页将不能被另存为
3{c6)vR2 <noscript><iframe src=*.html></iframe></noscript>
=D-u".{ R
6JHRd 11. <input type=button value=查看网页源代码
iB4`w\-o onclick="window.location = `view-source:`+
http://www.51js.com/`";>
D2}N6i NzS(,F 12.删除时确认
p GZiADT <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
ZtHTl\z ]q^6az(Ud 除</a>
?
nx3#< +}3l$L'bY 13. 取得控件的绝对位置
u7||]|2 //javascript
PY81MTv0; <script language="javascript">
9u[^9tL+D function getIE(E){
k-it#'ll{x var t=e.offsetTop;
\jA#RF.W var l=e.offsetLeft;
$[f-{B{>* while(e=e.offsetParent){
7slpj8 t+=e.offsetTop;
l9{}nz l+=e.offsetLeft;
P=3mLz- }
T.d1? alert("top="+t+"/nleft="+l);
$?P 5A E }
ZZ'5BfI"I% </script>
hp|.hN(kS] ;Aqj$ x //VBScript
CcCcuxtR <script language="VBScript"><!--
T'6MAxEZUq function getIE()
zTBf.A;e7 dim t,l,a,b
f4'WT set a=document.all.img1
P;8nC:z L t=document.all.img1.offsetTop
e|-&h `[ l=document.all.img1.offsetLeft
3uXRS,C while a.tagName<>"BODY"
Nyx)&T&I set a = a.offsetParent
@T.+:U@S t=t+a.offsetTop
J2ZV\8t l=l+a.offsetLeft
XrUc` wend
[L m msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
r>ziQq8C& end function
7q%xF#mK= --></script>
^sVr#T i0}f@pCB?X 14. 光标是停在文本框文字的最后
E.N@qMn~ <script language="javascript">
Oa.84a function cc()
VW`SqUl {
WuuF&0?8C var e = event.srcElement;
X 0vcBHh var r =e.createTextRange();
g1kYL$ o4 r.moveStart(`character`,e.value.length);
J7;8
S r.collapse(true);
<uG6!P r.select();
5Z@0XI }
}3O 0nab </script>
qdnwaJ;& <input type=text name=text1 value="123" onfocus="cc()">
&J?:wC=E 2A=q{7s 15. 判断上一页的来源
]?G|:Kx$y% javascript:
r'(*# document.referrer
`92P~Y~`W Gf=3h4 16. 最小化、最大化、关闭窗口
b(_f{R7PY <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
x^zw1e,y <param name="Command" value="Minimize"></object>
;\g0*b( <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
"5HSCl$r% <param name="Command" value="Maximize"></object>
W1Vy5V|M <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
Xj9\:M- <PARAM NAME="Command" value="Close"></OBJECT>
9-+N;g!q +OI <0 <input type=button value=最小化 onclick=hh1.Click()>
xp? YM35 <input type=button value=最大化 onclick=hh2.Click()>
;kzjx%h <input type=button value=关闭 onclick=hh3.Click()>
nIr:a|}[ 本例适用于IE
=Y- .=}jp; 5OCt Q4u 17.屏蔽功能键Shift,Alt,Ctrl
boq=@Qh <script>
l6*MiX]q function look(){
t6uYFxE if(event.shiftKey)
ds2%i
alert("禁止按Shift键!"; //可以换成ALT CTRL
>PzZt8e }
g=/!Ry= document.onkeydown=look;
"Zfm4Nx" </script>
1xEFMHjy \E=MV~:R 18. 网页不会被缓存
k|,Y_h0Y <META HTTP-EQUIV="pragma" CONTENT="no-cache">
_\.4ofK( <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
Ht:\
z;cu <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
dVs=*GEl9 或者<META HTTP-EQUIV="expires" CONTENT="0">
ODEFs?%' ~&aULY?)] 19.怎样让表单没有凹凸感?
7gcR/HNeF <input type=text style="border:1 solid #000000">
= GyABK 或
&]h`kvtBC <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
d6a3\f z/]]u.UP 1 solid #000000"></textarea>
$1$0M M1]}yTCd 20.<div><span>&<layer>的区别?
R<
L =&I <div>(division)用来定义大段的页面元素,会产生转行
<+-=j <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
n2can <layer>是ns的标记,ie不支持,相当于<div>
q9wObOS$ *c\XQy 21.让弹出窗口总是在最上面:
boI&q>-6Re <body onblur="this.focus();">
DaQ+XUH? jGi{:} `lB 22.不要滚动条?
0l3[?YtXc 让竖条没有:
$4mCtonP= <body style=`overflow:-Scroll;overflow-y:hidden`>
Xj{gyLs </body>
1eywnOjrj 让横条没有:
]>Ym <body style=`overflow:-Scroll;overflow-x:hidden`>
BhYvEbt </body>
$%^](- 两个都去掉?更简单了
Z($i+L% . <body scroll="no">
nE +H)%p </body>
X}xf_3N
" wH$qj'G4CN 23.怎样去掉图片链接点击后,图片周围的虚线?
wz)s <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
_Vl~'+ e x`c7*q% 24.电子邮件处理提交表单
1tq ^W' <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
eR,/}g\ <input type=submit>
YKz#, </form>
9%Tqk"x? \vJ0Mhk1 25.在打开的子窗口刷新父窗口的代码里如何写?
]ag{sU@#
window.opener.location.reload()
Q5}XD s1E 0atT 26.如何设定打开页面的大小
tfe]=_U <body onload="top.resizeTo(300,200);">
0%Le*C'yk 打开页面的位置<body onload="top.moveBy(300,200);">
c~4Cpy^ S]ayH$w\Q 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
G pI4QzR <style>
4 ob?M:S body
"P0!cY8r {background-image:url(logo.gif); background-repeat:no-repeat;
}S8aR:' B$6KI background-position:center;background-attachment: fixed}
E}KGZSj </style>
$#-rOi / {:3\Ms# 28. 检查一段字符串是否全由数字组成
HAL\j5i <script language="javascript"><!--
mI5J]hk function checkNum(str){return str.match(//D/)==null}
;:_AOb31N alert(checkNum("1232142141"
J;NIa[a alert(checkNum("123214214a1"
KJV8y"^=Q // --></script>
tT!'qL.* bZ1*:k2 29. 获得一个窗口的大小
7)]boW~Q document.body.clientWidth; document.body.clientHeight
AmHj\NX$ (~eS$8>. 30. 怎么判断是否是字符
6lCpf1>6@ if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
jC_'6sc` else alert("全是字符";
24nNRTI :o'|%JE 31.TEXTAREA自适应文字行数的多少
wgIm{;T[u <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
#Lpw8b6 </textarea>