1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
*PcVSEP/0 <table border oncontextmenu=return(false)><td>no</table> 可用于Table
c,BAa*]K vl~%o@*_ 2. <body onselectstart="return false"> 取消选取、防止复制
Ec.)!Hu qRUCnCZs 3. onpaste="return false" 不准粘贴
59MR|Jt \9jpCNdJ 4. oncopy="return false;" oncut="return false;" 防止复制
&!#2ZJ}{ .CmL7
5 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
sA2o2~AmM _h~p:= 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
^Ezcy? f(.6|mPp 7. <input style="ime-mode:-Disabled"> 关闭输入法
BD4"pcr J[+Tj@n' 8. 永远都会带着框架
2mOfsn d@ <script language="javascript"><!--
AO8:|?3S if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
rG5i-' // --></script>
Zjt9vS) Nh :JU?h 9. 防止被人frame
vK'9{q|g <SCRIPT LANGUAGE=javascript><!--
mS7E_A8 if (top.location != self.location)top.location=self.location;
h9Z[z73_a // --></SCRIPT>
|+mOH#Aty 5:_~mlfi 10. 网页将不能被另存为
Fj3^
#ly <noscript><iframe src=*.html></iframe></noscript>
VS%@)sI|Z Ctj8tK$D 11. <input type=button value=查看网页源代码
<[FS%2,0mb onclick="window.location = `view-source:`+
http://www.51js.com/`";>
$l43>e{E *vXDuhQ 12.删除时确认
SNxz*`@4 <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
jqqaw 1J+3a-0 除</a>
59/Q*7ZJ wK ][qZ ] 13. 取得控件的绝对位置
clC~2: //javascript
)_F(H)* <script language="javascript">
h+
TB] function getIE(E){
q"l>`KCG` var t=e.offsetTop;
HMQ'b(a' var l=e.offsetLeft;
iUpSN0XkMM while(e=e.offsetParent){
"1CGO@AXS t+=e.offsetTop;
sFD!7; l+=e.offsetLeft;
FcY$k%;'Q }
Ta,u-!/I alert("top="+t+"/nleft="+l);
ew/KZE }
Do(PdF6A </script>
FqL`Kt kU>#1He //VBScript
[I_BCf <script language="VBScript"><!--
3me<~u function getIE()
89ZDOji?O dim t,l,a,b
@eA %(C set a=document.all.img1
)m)h/_ t=document.all.img1.offsetTop
8[f8k3g l=document.all.img1.offsetLeft
bQ
i<0|S while a.tagName<>"BODY"
+-'`Q Ae set a = a.offsetParent
!HbqbS22 t=t+a.offsetTop
1.uUMW
l=l+a.offsetLeft
J~fuW?a]r wend
%oMWcgsdJi msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
HI7]%<L end function
v5P*<U Ax --></script>
YcEtgpz@ <b3x(/ 14. 光标是停在文本框文字的最后
%L{ <script language="javascript">
hw7~i function cc()
j#4+- {
Cbazwq var e = event.srcElement;
eR(\s_` var r =e.createTextRange();
r=xTs,xx r.moveStart(`character`,e.value.length);
Qs~d_; r.collapse(true);
^7J~W'hI r.select();
!4i,%Z&6 }
7=; D0SS </script>
5F% h>tqh <input type=text name=text1 value="123" onfocus="cc()">
Cca~Cq[%*( rwasH,+ 15. 判断上一页的来源
4o)(d=q javascript:
cA2^5'$$ document.referrer
8 /5sv ^mS.HT=X 16. 最小化、最大化、关闭窗口
dxk;@Tz <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
F]/L! <param name="Command" value="Minimize"></object>
u4`mQ6 <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
"``W6W-( <param name="Command" value="Maximize"></object>
"u .)X3 <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
wpAw/-/ <PARAM NAME="Command" value="Close"></OBJECT>
jdV .{8@ 0\8*S3,q <input type=button value=最小化 onclick=hh1.Click()>
!hwzKm=%N <input type=button value=最大化 onclick=hh2.Click()>
cfrvy^>, <input type=button value=关闭 onclick=hh3.Click()>
byEvc[/>Ys 本例适用于IE
Aqx3!
u^j8
XOT 17.屏蔽功能键Shift,Alt,Ctrl
V:nMo2'hb <script>
wUh3Hd' function look(){
H5 p}Le if(event.shiftKey)
$]Q*E4(kV9 alert("禁止按Shift键!"; //可以换成ALT CTRL
YlZYS'_ }
~.\73_M=A document.onkeydown=look;
94Kuy@0:+ </script>
{mCKTyN+ lGD%R'} 18. 网页不会被缓存
aYv'H <META HTTP-EQUIV="pragma" CONTENT="no-cache">
+ 1E?He:iQ <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
P5yJO97 <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
<M5{.`o 或者<META HTTP-EQUIV="expires" CONTENT="0">
R=#q"9qz Fi,e}j=2f 19.怎样让表单没有凹凸感?
7/5NaUmPTt <input type=text style="border:1 solid #000000">
Wto@u4 或
4?P%M"\Iv <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
q\\8b{~ yDu
yMt# 1 solid #000000"></textarea>
j?d;xj CS^ oiV%{s 20.<div><span>&<layer>的区别?
L@g Q L <div>(division)用来定义大段的页面元素,会产生转行
;PP_3` <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
wHBHkz <layer>是ns的标记,ie不支持,相当于<div>
Cg]3(3 al3BWRq'f 21.让弹出窗口总是在最上面:
LV[66<T <body onblur="this.focus();">
rzYobOKd# t5X G^3X@ 22.不要滚动条?
Y:tW] 让竖条没有:
=,/A\F <body style=`overflow:-Scroll;overflow-y:hidden`>
pQ[o3p!&9 </body>
=:CGl 让横条没有:
*783xEF>f <body style=`overflow:-Scroll;overflow-x:hidden`>
^5FJ}MMJf </body>
zezofW]a 两个都去掉?更简单了
:uU]rBMo <body scroll="no">
Kdryl </body>
z1{E:~f BM=V,BZy 23.怎样去掉图片链接点击后,图片周围的虚线?
yP<:iCY <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
ecSdU> 9 "
}^SI8 24.电子邮件处理提交表单
qJbhPY8Ak <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
I9Edw] <input type=submit>
n !CP_ </form>
v
,G-k2$Qe _Gs 25.在打开的子窗口刷新父窗口的代码里如何写?
^cPo{xf window.opener.location.reload()
[`Qp;_K?t f<s'prF 26.如何设定打开页面的大小
\U<F\i <body onload="top.resizeTo(300,200);">
OGE#wG"S 打开页面的位置<body onload="top.moveBy(300,200);">
Mi%1+ D
7;~x]* 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
"I}'C^gP <style>
b Q9"GO<X body
[X$|dOm'N {background-image:url(logo.gif); background-repeat:no-repeat;
~'Qpf 8) Rrs`h `'- background-position:center;background-attachment: fixed}
9`gGsC </style>
0N3tsIm> 8Jib|#! 28. 检查一段字符串是否全由数字组成
B4*X0x <script language="javascript"><!--
!5'
8a5 function checkNum(str){return str.match(//D/)==null}
oRvm*"8B alert(checkNum("1232142141"
?O.6 r" alert(checkNum("123214214a1"
4?*"7t3 // --></script>
33v%e (
F"& A? 29. 获得一个窗口的大小
v&CO#vK5. document.body.clientWidth; document.body.clientHeight
3MBz }HA2ce\ 30. 怎么判断是否是字符
U7f&N if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
iK6<^,]' else alert("全是字符";
Vp{RX8?. ;hfG${l; 31.TEXTAREA自适应文字行数的多少
6_`eTL=G <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
Cn./N aq </textarea>