1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
D`~{[cv)\ <table border oncontextmenu=return(false)><td>no</table> 可用于Table
kj3o1 Y ~ Dp:j*H 2. <body onselectstart="return false"> 取消选取、防止复制
/4B4IT )D@n?qbG 3. onpaste="return false" 不准粘贴
WO(&<(? rX>y>{w~ 4. oncopy="return false;" oncut="return false;" 防止复制
G>ptwB81KM C8W`Oly:] 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
> v!c\ 7+!7]'V 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
v yLAs; `i)ePiE 7. <input style="ime-mode:-Disabled"> 关闭输入法
Nj-rZ%& :k )<1ua 8. 永远都会带着框架
vB YT)S <script language="javascript"><!--
Fee WZe0i if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
.SV3<) // --></script>
pOI`,i}. ;{q) |GRF 9. 防止被人frame
2SPFjpG8n <SCRIPT LANGUAGE=javascript><!--
HJ1\FO9\ if (top.location != self.location)top.location=self.location;
'kg]|"M // --></SCRIPT>
(DMnwqr ~W *j^+T" 10. 网页将不能被另存为
&|\}\+0Z <noscript><iframe src=*.html></iframe></noscript>
;6 qdOD6 yqb<<4I 11. <input type=button value=查看网页源代码
I;Fy
k70w; onclick="window.location = `view-source:`+
http://www.51js.com/`";>
5m7Ax]\ ecZOX$'5 12.删除时确认
$F()`L{Tj <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
s1\BjSzk DD$Pr&~= 除</a>
,Ve@=< v_h*:c 13. 取得控件的绝对位置
J$/BH\ //javascript
@OY-(cW <script language="javascript">
A^@ <+? function getIE(E){
5
^z ,'C var t=e.offsetTop;
(4f9wrK var l=e.offsetLeft;
Jb.u^3R@ while(e=e.offsetParent){
|h/2'zd^- t+=e.offsetTop;
SH|$Dg l+=e.offsetLeft;
??V["o T }
6|}mTG^ alert("top="+t+"/nleft="+l);
Ntiz-qW }
qb&*,zN </script>
kWFR(J&R <+iL@'SgF //VBScript
d>OLnG>
F <script language="VBScript"><!--
pjVF^gv,* function getIE()
XI"8d.VR dim t,l,a,b
Q`* v|Lp set a=document.all.img1
X6`F<H` t=document.all.img1.offsetTop
+*AdSzX l=document.all.img1.offsetLeft
b?Zt3# while a.tagName<>"BODY"
$-Wn|w+h<a set a = a.offsetParent
!da[#zK t=t+a.offsetTop
XNd%3rm, l=l+a.offsetLeft
h|Z%b_a wend
<[W41{ msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
n +R3 end function
"jFRGgd79 --></script>
IA$)E 7%x
3o#& 14. 光标是停在文本框文字的最后
%
bpVK~z <script language="javascript">
V% PeZ.Xv function cc()
{ t1|6R0 {
VP\'p1a var e = event.srcElement;
"?r=n@Kv var r =e.createTextRange();
_pZaVx
r.moveStart(`character`,e.value.length);
Q+ tUxa+ r.collapse(true);
U.mVz,k3 r.select();
n>|7 k3 }
U0Q:sA U </script>
f5p:o}U* <input type=text name=text1 value="123" onfocus="cc()">
g~#HiBgWq[ eq<giHJM 15. 判断上一页的来源
Frxim javascript:
1_Ag:>#X document.referrer
W{6%Hhp IC[iCrB 16. 最小化、最大化、关闭窗口
Ny
oRp <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
h%0hryGB <param name="Command" value="Minimize"></object>
=Y;w O8 <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
gXzp$# <param name="Command" value="Maximize"></object>
(w+dB8)X <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
QL{{GQ_dn <PARAM NAME="Command" value="Close"></OBJECT>
Ln2dD> {2 M1sR+e$" <input type=button value=最小化 onclick=hh1.Click()>
)X
dpzWod <input type=button value=最大化 onclick=hh2.Click()>
|`
+G7?)Y <input type=button value=关闭 onclick=hh3.Click()>
N Dt +m 本例适用于IE
hrt]Qn& '=^$;3Z 17.屏蔽功能键Shift,Alt,Ctrl
y66V`,e0 <script>
+d=cI function look(){
$cUTe if(event.shiftKey)
Fo0dz alert("禁止按Shift键!"; //可以换成ALT CTRL
Gx.iZOOH/ }
uBPxMwohR document.onkeydown=look;
#UO#kC<2(B </script>
MK*WStY SW^/\cJ^ 18. 网页不会被缓存
BRu/pyxG <META HTTP-EQUIV="pragma" CONTENT="no-cache">
qit D{; <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
%#^)hX,+Q <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
in/ITy- 或者<META HTTP-EQUIV="expires" CONTENT="0">
>>'t7U## < mb.F -8 19.怎样让表单没有凹凸感?
q')MKR* <input type=text style="border:1 solid #000000">
qg(rG5kD@ 或
l_Ffbs_6t <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
T==(Pw7R7 h.`U)6*?&N 1 solid #000000"></textarea>
=h#3D?b0n 6axDuwQ 20.<div><span>&<layer>的区别?
r-ldqj <div>(division)用来定义大段的页面元素,会产生转行
tc_D8Q_ <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
?2#v`Z=L; <layer>是ns的标记,ie不支持,相当于<div>
[ NSsT>C Xg](V.B6 21.让弹出窗口总是在最上面:
<}^W9>u< <body onblur="this.focus();">
RuW62QSq ?&H1C4
22.不要滚动条?
xKKR'v:o\ 让竖条没有:
YEEgDw]BQ <body style=`overflow:-Scroll;overflow-y:hidden`>
*acN/Ca1 </body>
\Lz2"JI 让横条没有:
3E!#?N|v <body style=`overflow:-Scroll;overflow-x:hidden`>
78s:~|WB<{ </body>
]aqHk 两个都去掉?更简单了
k{fCU% <body scroll="no">
5 W<\J </body>
yMQuM:d M>mk=-l 23.怎样去掉图片链接点击后,图片周围的虚线?
a:PS}_. <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
GP%83T "%c\i-&t 24.电子邮件处理提交表单
YHVJg?H3 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
YU89m7cc' <input type=submit>
)C
@W_cfMN </form>
)\:cL GM
[e2sUO0~r 25.在打开的子窗口刷新父窗口的代码里如何写?
t|gEMDGa3 window.opener.location.reload()
58H [sM4> #?xhfSgr 26.如何设定打开页面的大小
TzXivE@mm <body onload="top.resizeTo(300,200);">
~RQ6DG^ 打开页面的位置<body onload="top.moveBy(300,200);">
z$3 3NM a pxZ} 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
{emO=@CP <style>
P@Wi^svj body
FhgO5@BO {background-image:url(logo.gif); background-repeat:no-repeat;
D6iHkDTg `;7^@ k background-position:center;background-attachment: fixed}
pV:c`1\` </style>
z6)SaSYE p @@TOS 28. 检查一段字符串是否全由数字组成
XEF|B--, <script language="javascript"><!--
Y{X79Rd function checkNum(str){return str.match(//D/)==null}
~X^L3=!vf alert(checkNum("1232142141"
qp*C%U alert(checkNum("123214214a1"
i,R<`K0 // --></script>
5;+OpB ^Bw2y&nN 29. 获得一个窗口的大小
8\m_.e document.body.clientWidth; document.body.clientHeight
#C1u~db [HB>\ 30. 怎么判断是否是字符
O/^7TBTn<r if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
`7qZ6Z3z@ else alert("全是字符";
f&glY`s# <syMrXk)R( 31.TEXTAREA自适应文字行数的多少
YC#N],# <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
1u&}Lq( </textarea>