1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
\"=4)Huv <table border oncontextmenu=return(false)><td>no</table> 可用于Table
%f[0&)1!.v FuqMT` 2. <body onselectstart="return false"> 取消选取、防止复制
z[Sq7bbYO iCd$gwA>F 3. onpaste="return false" 不准粘贴
z~Zu>Q1u[ gbvM2 4. oncopy="return false;" oncut="return false;" 防止复制
KX8$j$yW 25EuVj`zL 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
pXn(#n< %3p~5jhm1 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
>O0z+tj 2rxZN\gyL 7. <input style="ime-mode:-Disabled"> 关闭输入法
E2.@zY|: Q\H1=8 8. 永远都会带着框架
GJTKqr|1O <script language="javascript"><!--
+]?/c>M if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
W`^euBr7R> // --></script>
#B_Em$ YdgDMd-1 9. 防止被人frame
p7SX,kpt> <SCRIPT LANGUAGE=javascript><!--
{B;<R1 if (top.location != self.location)top.location=self.location;
[\i0@ // --></SCRIPT>
@:2<cn` sd(Yr6~.. 10. 网页将不能被另存为
a4a/]q4T <noscript><iframe src=*.html></iframe></noscript>
0EWov~Y? o 8fB 11. <input type=button value=查看网页源代码
\/qo2'V
j` onclick="window.location = `view-source:`+
http://www.51js.com/`";>
vI84=n |A .U~P): 12.删除时确认
.>X0 $# <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
WA'4y\ N !V%h0OE\ 除</a>
|ZJ<J)y Z}X oWT2f 13. 取得控件的绝对位置
,Z3 (`ftC //javascript
ZnrsJ1f: <script language="javascript">
U3UKu/Z function getIE(E){
x6n( BMr var t=e.offsetTop;
HACY var l=e.offsetLeft;
Re[x$rw while(e=e.offsetParent){
Ca2He}r` t+=e.offsetTop;
)Z/L l+=e.offsetLeft;
@%FLT6MY }
,Wbr;
zb alert("top="+t+"/nleft="+l);
{pWb*~!k }
^-wdIu~p? </script>
<bvbfS 1')_^] //VBScript
8D
H~~by <script language="VBScript"><!--
/
5\gP//9K function getIE()
bUcEQGHcZ= dim t,l,a,b
i(Xz3L#( set a=document.all.img1
)2pOCAjL2 t=document.all.img1.offsetTop
c6 f=r l=document.all.img1.offsetLeft
\Fh#CI while a.tagName<>"BODY"
a+-X\qN set a = a.offsetParent
v47S9Vm+ t=t+a.offsetTop
SlaHhq3 l=l+a.offsetLeft
{M_*hR;lL wend
13JZ\`ceb msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
e>zv+9'Q end function
a1Kh --></script>
:cE6-Fv <<SUIY@X 14. 光标是停在文本框文字的最后
{0(:5% <script language="javascript">
`)aIFAW function cc()
On`T
pz/ {
H{d;,KfX var e = event.srcElement;
nt:d,H<p var r =e.createTextRange();
DN X-\ r.moveStart(`character`,e.value.length);
HxAN&g*: r.collapse(true);
7{BTtUMAC r.select();
gs:V4$(p4 }
IG(1h+5R( </script>
}Sx+: N* <input type=text name=text1 value="123" onfocus="cc()">
\jpm
2{Johqf 15. 判断上一页的来源
h>a/3a$g javascript:
zbL8
pp document.referrer
yKhN1kY nOQvBc 16. 最小化、最大化、关闭窗口
c e\|eN[ <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
6Trtulm <param name="Command" value="Minimize"></object>
VpO+52& <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
2uEvu <param name="Command" value="Maximize"></object>
v<AFcY <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
~u.((GM <PARAM NAME="Command" value="Close"></OBJECT>
C f(g /QW-#K|S& <input type=button value=最小化 onclick=hh1.Click()>
\i.Yhl:O <input type=button value=最大化 onclick=hh2.Click()>
H[DBL <input type=button value=关闭 onclick=hh3.Click()>
'V`Hp$r 本例适用于IE
}o d5kK; oro^'#ki 17.屏蔽功能键Shift,Alt,Ctrl
s[n*fV']A <script>
|Bhj L, function look(){
JBK(Nk if(event.shiftKey)
- %'ys alert("禁止按Shift键!"; //可以换成ALT CTRL
#wS/QrRE }
YVW`|'7)| document.onkeydown=look;
T*"*##c </script>
j&|>Aa${ XIRvIwO 18. 网页不会被缓存
^ fqco9^; <META HTTP-EQUIV="pragma" CONTENT="no-cache">
zqlgJn <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
L3J .Oh <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
@x[Arx^?} 或者<META HTTP-EQUIV="expires" CONTENT="0">
gNaB^IY &57s//PrX 19.怎样让表单没有凹凸感?
o/\f+iz7 <input type=text style="border:1 solid #000000">
mGC! 7^_D` 或
1$RUhxT <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
Ch0t' +6;1.5Tc 1 solid #000000"></textarea>
yk0#byW` =%ry-n G 20.<div><span>&<layer>的区别?
"eH.<& <div>(division)用来定义大段的页面元素,会产生转行
)2&y;{] <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
@#1T-* <layer>是ns的标记,ie不支持,相当于<div>
egn9O @E
!`:/k 21.让弹出窗口总是在最上面:
aTi,gJ;* <body onblur="this.focus();">
e .( 1<E:`,Mn? 22.不要滚动条?
`&/~%> 让竖条没有:
cz.,QIt_ <body style=`overflow:-Scroll;overflow-y:hidden`>
h7
c </body>
Jf3xK"in 让横条没有:
_J ZlXY <body style=`overflow:-Scroll;overflow-x:hidden`>
PlC8&$ </body>
i}e4P>ADD 两个都去掉?更简单了
C| g]Y 7 <body scroll="no">
+2Wijrn </body>
586lN22xM !K8V":1du# 23.怎样去掉图片链接点击后,图片周围的虚线?
Br}0dha3E <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
17) `CM$<[ a[hQ<@1O 24.电子邮件处理提交表单
x~n]r[!L <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
0~=>:^H'`q <input type=submit>
~0T,_N </form>
bU{lV<R,
R7NE=X4 25.在打开的子窗口刷新父窗口的代码里如何写?
~Blsj9a2 window.opener.location.reload()
Y8@TY? jlb=]hp8% 26.如何设定打开页面的大小
N}X7g0>hV <body onload="top.resizeTo(300,200);">
)^[PW&=W|x 打开页面的位置<body onload="top.moveBy(300,200);">
g?>V4WF Wo,"$Z6B 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<~J*k<v <style>
c?7Wjy body
_2wH4^Vb {background-image:url(logo.gif); background-repeat:no-repeat;
/PTk296@ ;Vlt4,s) background-position:center;background-attachment: fixed}
y#?AW`|
</style>
$I4:g.gKpG $G D@e0 28. 检查一段字符串是否全由数字组成
mb#&yK(h <script language="javascript"><!--
SE0&CV4 function checkNum(str){return str.match(//D/)==null}
vQsI^p alert(checkNum("1232142141"
OiJz?G:m alert(checkNum("123214214a1"
]~t4E'y)z // --></script>
@*"H{xo.U Cy2)M(RW 29. 获得一个窗口的大小
"S^""5 document.body.clientWidth; document.body.clientHeight
w[hT,$n gkMyo` 30. 怎么判断是否是字符
:7DXLI|L#? if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
Qzq3{%^x_ else alert("全是字符";
L)-1( e<x s%Ir h;Bs 31.TEXTAREA自适应文字行数的多少
Uk<2XGj <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
m=Fk </textarea>