1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
[q !TIq <table border oncontextmenu=return(false)><td>no</table> 可用于Table
Uf}\p~; A\8}|r(>9E 2. <body onselectstart="return false"> 取消选取、防止复制
K2%w0ohC .{y
uo{u 3. onpaste="return false" 不准粘贴
]?*I9 B,,D7cQC 4. oncopy="return false;" oncut="return false;" 防止复制
qOIW(D q.,JVGMS 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
23~Sjr
Xy5e5K 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
~ vqa7~}m R<OI1,..r 7. <input style="ime-mode:-Disabled"> 关闭输入法
sc,Xw:YO o=0]el^A 8. 永远都会带着框架
=s<( P1|" <script language="javascript"><!--
HRB<Y
mP@ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
"
Hd|7F'u= // --></script>
E Cyyl U8
nH;}i 9. 防止被人frame
+TXX$)3% <SCRIPT LANGUAGE=javascript><!--
K tNY_&xd if (top.location != self.location)top.location=self.location;
)7h$G-fe // --></SCRIPT>
rRFhGQq1m D_vbSF) 10. 网页将不能被另存为
'C"9QfK <noscript><iframe src=*.html></iframe></noscript>
/Q~i~B 2j- 0jEL<TgC 11. <input type=button value=查看网页源代码
n=[/Z! onclick="window.location = `view-source:`+
http://www.51js.com/`";>
_3ZYtmn. >$4d7.^hb/ 12.删除时确认
!"Oh36 <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
:0h_K G37U6PuZi 除</a>
'3uVkp 6tF 8@tV9+u 13. 取得控件的绝对位置
kh`"WN Nt //javascript
eH{[C* <script language="javascript">
8YbE`32 function getIE(E){
I'LnI* var t=e.offsetTop;
<i,U )Tt^C var l=e.offsetLeft;
55z]&5N while(e=e.offsetParent){
NU0g07" t+=e.offsetTop;
R6(oZph l+=e.offsetLeft;
{E@Lft- }
>D4#y alert("top="+t+"/nleft="+l);
M]J^N# }
:5{wf Am </script>
9E6_]8rl ml+; Rmvb //VBScript
]?(-[ <script language="VBScript"><!--
.4E&/w+ function getIE()
b}"N`,0dO dim t,l,a,b
yPal<c set a=document.all.img1
-[wGX}} t=document.all.img1.offsetTop
P(f0R8BE l=document.all.img1.offsetLeft
Rd#WMo2Xd while a.tagName<>"BODY"
N(Tz%o4 set a = a.offsetParent
qHrc9fB t=t+a.offsetTop
oaIi2=Tf l=l+a.offsetLeft
W>j !Q^? wend
V)[@98T_4? msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
uo@n(>}EL end function
!]=d-RGNe --></script>
0|{u{w@!` *=V~YF:Qb 14. 光标是停在文本框文字的最后
;5659!; <script language="javascript">
q!|*oUW function cc()
)mF5Vw" {
PoxK{Y var e = event.srcElement;
!1$])VQWI var r =e.createTextRange();
7+\+DujE$ r.moveStart(`character`,e.value.length);
hHV";bk r.collapse(true);
2#c<\s|C r.select();
o!kbK#k }
uM_wjP </script>
s~5[![1
K <input type=text name=text1 value="123" onfocus="cc()">
hEKf6# YS/Yd[ e 15. 判断上一页的来源
<
HVl(O javascript:
RO 4Z?tz document.referrer
3=aQG'B Nn!+,;ut 16. 最小化、最大化、关闭窗口
1H6<[iHW <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
J IUx <param name="Command" value="Minimize"></object>
)48QBz? <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
{zQ8)$CQ <param name="Command" value="Maximize"></object>
;$.J3! <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
`d5%.N <PARAM NAME="Command" value="Close"></OBJECT>
l]Ax : Z A kC1z73< <input type=button value=最小化 onclick=hh1.Click()>
I|gB@|_~ <input type=button value=最大化 onclick=hh2.Click()>
~*z% e*EL <input type=button value=关闭 onclick=hh3.Click()>
_K l_61k 本例适用于IE
n<O}hM ZT J;.wXS_U8 17.屏蔽功能键Shift,Alt,Ctrl
itBwCIj G <script>
J8uLJ function look(){
9K{%vK if(event.shiftKey)
K1 EynU
I alert("禁止按Shift键!"; //可以换成ALT CTRL
}wr{W:j }
Ve}(s?hU5 document.onkeydown=look;
Z}mLLf E </script>
I*{4rDt Wbr|_W 18. 网页不会被缓存
Mo?~_|} <META HTTP-EQUIV="pragma" CONTENT="no-cache">
TC!Yb_H}gN <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
ZSjMH .Ij" <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
$PTP/^ 或者<META HTTP-EQUIV="expires" CONTENT="0">
LlX{#R Cl;oi}L 19.怎样让表单没有凹凸感?
1+szG1U= <input type=text style="border:1 solid #000000">
re/@D@% 或
cv998*|X: <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
dP#|$1 6&
e3Nt 1 solid #000000"></textarea>
PF)jdcX [I'0,y 20.<div><span>&<layer>的区别?
[#-b8Cu <div>(division)用来定义大段的页面元素,会产生转行
XewVcRo <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
Xe6w| <layer>是ns的标记,ie不支持,相当于<div>
]zj9A]i:a _4"mAPt 21.让弹出窗口总是在最上面:
8ja$g, <body onblur="this.focus();">
X 0WJBEE UK595n;P 22.不要滚动条?
Oft-w)cYz, 让竖条没有:
LLk(l#K* <body style=`overflow:-Scroll;overflow-y:hidden`>
d4u}) </body>
HG^B#yX 让横条没有:
.L9j>iP9 * <body style=`overflow:-Scroll;overflow-x:hidden`>
*w^C"^* </body>
F_w
Z"e6 两个都去掉?更简单了
aC$B2 <body scroll="no">
X
iS1\* </body>
zMj#KA1 .>=(' - 23.怎样去掉图片链接点击后,图片周围的虚线?
|SoCRjuCPM <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
qaY1xPWz" 1C<uz29 24.电子邮件处理提交表单
+ln9c <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
i!J8 d" <input type=submit>
YPU*@l> </form>
Li!Vx1p;u. }+)fMZz 25.在打开的子窗口刷新父窗口的代码里如何写?
o|>'h$ window.opener.location.reload()
2/vMoVT, sF|5XjQ 26.如何设定打开页面的大小
z_F-T=_ <body onload="top.resizeTo(300,200);">
sPr~=,F 打开页面的位置<body onload="top.moveBy(300,200);">
PH1p2Je u[:
P 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
JYl\<Z' { <style>
&,_?>.\[< body
U"/yB8!W {background-image:url(logo.gif); background-repeat:no-repeat;
`Q+i-y SAQs{M background-position:center;background-attachment: fixed}
;*"!:GR%h </style>
N!.kq4$. oMz/sL'u 28. 检查一段字符串是否全由数字组成
/bu'6/!` <script language="javascript"><!--
k62$:9`5 function checkNum(str){return str.match(//D/)==null}
.<0=a|IAz alert(checkNum("1232142141"
kf}F}Ad:% alert(checkNum("123214214a1"
[U%.Gi // --></script>
V>1D1 2Ti" s - 29. 获得一个窗口的大小
<[/PyNYK document.body.clientWidth; document.body.clientHeight
^l&nB