1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
m)66g]F+ <table border oncontextmenu=return(false)><td>no</table> 可用于Table
4e>f}u5 Gs"lmX-{$j 2. <body onselectstart="return false"> 取消选取、防止复制
pHR`%2!"t x3Cn:F 3. onpaste="return false" 不准粘贴
yI8O# 6?}|@y^fb 4. oncopy="return false;" oncut="return false;" 防止复制
!KXcg9e agfDx^, 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
i +@avoW Lfx a^0 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
Fb<'L5}i ^kK")+K 7. <input style="ime-mode:-Disabled"> 关闭输入法
Uot(3p!S6 I;jH'._k# 8. 永远都会带着框架
'exR;q\ <script language="javascript"><!--
W:<2" &7 if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
K
@&c // --></script>
#vK99S2 T#rUbi>"" 9. 防止被人frame
x!I@cP#O <SCRIPT LANGUAGE=javascript><!--
tPiC?=4R if (top.location != self.location)top.location=self.location;
nZj&Ma7R // --></SCRIPT>
Kc]
GE#~g JqLPJUr 10. 网页将不能被另存为
_Rjbm'kC <noscript><iframe src=*.html></iframe></noscript>
}c8e t'HYf UBv#z&@[ 11. <input type=button value=查看网页源代码
te;bn4~ onclick="window.location = `view-source:`+
http://www.51js.com/`";>
oSYJXs /FXb,)1t 12.删除时确认
ax _v+v % <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
a)Ht(*/B Xl$r720ZJr 除</a>
0Q> zwUZ*Se 13. 取得控件的绝对位置
f~?5;f:E //javascript
@pvQci <script language="javascript">
w'i+WEU>l function getIE(E){
]\ZJaU80I~ var t=e.offsetTop;
C]ho7qC var l=e.offsetLeft;
\o,et9zDJ3 while(e=e.offsetParent){
<!W9EM t+=e.offsetTop;
@B+8' b$9 l+=e.offsetLeft;
)MN 6\v }
+;@R&Y alert("top="+t+"/nleft="+l);
6a]Qg99\ }
:q1j?0{2N </script>
s*CBYzOm rIv#YqT //VBScript
L!5="s[} <script language="VBScript"><!--
=;8q` function getIE()
*W}nw$tnBX dim t,l,a,b
kU)E-h set a=document.all.img1
#)DDQ?D t=document.all.img1.offsetTop
tPJU,e) l=document.all.img1.offsetLeft
<ihJp^kgQ while a.tagName<>"BODY"
!M6Km(> set a = a.offsetParent
a$11u.\q+ t=t+a.offsetTop
mk-L3H1@J3 l=l+a.offsetLeft
O[}2 wend
cpq0'x\ msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
n?^X/R.22 end function
A{eh$Ot% --></script>
[HRP&jr u"q!p5P%q 14. 光标是停在文本框文字的最后
"y .(E7 6 <script language="javascript">
]waCYrG<sY function cc()
L#T`h}1Z {
G;msq=9| var e = event.srcElement;
iaaD1<m var r =e.createTextRange();
Z+;670Z r.moveStart(`character`,e.value.length);
1z8AK"8 r.collapse(true);
=H^^A G\} r.select();
`yb,z }
bJ.68643 </script>
TSd;L
u%hr <input type=text name=text1 value="123" onfocus="cc()">
u $T'#p1
0c:jwtf 15. 判断上一页的来源
FU(s jB javascript:
k@C]~1 document.referrer
'"Dgov$q /aMeKM[L` 16. 最小化、最大化、关闭窗口
z9*7fT <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
O7Awti-X
<param name="Command" value="Minimize"></object>
Z}6H529[ <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
Ll6|Wh X <param name="Command" value="Maximize"></object>
kF *^" Cn <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
0 Pa\:^/6 <PARAM NAME="Command" value="Close"></OBJECT>
.zyi'Kj I'RhA\` <input type=button value=最小化 onclick=hh1.Click()>
-RnQ8Iuo <input type=button value=最大化 onclick=hh2.Click()>
-Z%B9ql' <input type=button value=关闭 onclick=hh3.Click()>
(/l9@0Y.t 本例适用于IE
{-Y% wM8<i 1=%\4\ 17.屏蔽功能键Shift,Alt,Ctrl
lo!_;`v=U <script>
fqU*y 6] function look(){
3YPoObY if(event.shiftKey)
|Gh~Zup alert("禁止按Shift键!"; //可以换成ALT CTRL
i5 0^%, }
b]U%|bp document.onkeydown=look;
m-No 8)2yA </script>
7w{>bYP e|ngnkf(G 18. 网页不会被缓存
]`Y;4XR <META HTTP-EQUIV="pragma" CONTENT="no-cache">
W.u}Q@ <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
;M"JN:J8 <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
GoNX\^A 或者<META HTTP-EQUIV="expires" CONTENT="0">
q\g|K3V) pTlNJ!U> 19.怎样让表单没有凹凸感?
Am?
d HP <input type=text style="border:1 solid #000000">
Yl#r9TM 或
@bj3N <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
z@3t>k|K &8 ~+^P1w 1 solid #000000"></textarea>
(r?41?5K kMz^37IFMG 20.<div><span>&<layer>的区别?
P p[?E.]P <div>(division)用来定义大段的页面元素,会产生转行
#;6YADk2_ <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
Em8C +EM <layer>是ns的标记,ie不支持,相当于<div>
D"m]`H EI*B( 21.让弹出窗口总是在最上面:
;X
]+r$_ <body onblur="this.focus();">
{WJ+6!v @exeHcW61 22.不要滚动条?
j ,'$i[F' 让竖条没有:
4jlUyAD <body style=`overflow:-Scroll;overflow-y:hidden`>
I=)u:l c </body>
O$
7R<V 让横条没有:
R(sPU>`MX <body style=`overflow:-Scroll;overflow-x:hidden`>
0m^(|=N- </body>
<T[wZ[l 两个都去掉?更简单了
sF$$S/b <body scroll="no">
-#
[=1Y </body>
9"3 7va |Fk>NX 23.怎样去掉图片链接点击后,图片周围的虚线?
;x*_h <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
'Tni; -rSpgk0wL 24.电子邮件处理提交表单
#MbkU]) <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
IdsPB)k_ <input type=submit>
O9#8%p%
) </form>
g?.ls{H |UN0jR 25.在打开的子窗口刷新父窗口的代码里如何写?
?32gug\i'} window.opener.location.reload()
Lj"@JF;c *UVo>; 26.如何设定打开页面的大小
?8AchbK;N <body onload="top.resizeTo(300,200);">
Tji G!W8 打开页面的位置<body onload="top.moveBy(300,200);">
n
7Mab nm)H\i 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
K!c "g,S <style>
1PD{m{ body
@kCFc} {background-image:url(logo.gif); background-repeat:no-repeat;
6ge,2[PU zO BLF|L= background-position:center;background-attachment: fixed}
W_:3Sj l' </style>
+{(f@,&~{ _?"P<3/iF 28. 检查一段字符串是否全由数字组成
z']TRjDbT <script language="javascript"><!--
"]1 !<M6\i function checkNum(str){return str.match(//D/)==null}
zPzy0lx alert(checkNum("1232142141"
Ah5`Cnv alert(checkNum("123214214a1"
fhGI // --></script>
eD4D<\* }^!8I7J. 29. 获得一个窗口的大小
xeo5) document.body.clientWidth; document.body.clientHeight
d??;r: |]--sUx: 30. 怎么判断是否是字符
>|{n";n& if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
87; E#2 else alert("全是字符";
:w|ef; >KPxksFR8 31.TEXTAREA自适应文字行数的多少
`1}WQS <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
"DN0|%`M/ </textarea>