1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
t4C<#nfo <table border oncontextmenu=return(false)><td>no</table> 可用于Table
6MrZ6dz^ m`[oT\ 2. <body onselectstart="return false"> 取消选取、防止复制
C8!8u?k f&+XPd % 3. onpaste="return false" 不准粘贴
BJ_+z gf` p3{x <AO/ 4. oncopy="return false;" oncut="return false;" 防止复制
]L[JS^#7 PjiNu.>2( 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
dw'<" +zO 6sO 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
@Pd)
%'s BYkVg2D( 7. <input style="ime-mode:-Disabled"> 关闭输入法
m
j'"Z75 ^mS.HT=X 8. 永远都会带着框架
z+y;y&P <script language="javascript"><!--
BLWA!- if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
|Gf1^8:C9 // --></script>
tCd{G
c 5@GD} oAn6 9. 防止被人frame
3w[<cq.! <SCRIPT LANGUAGE=javascript><!--
wpAw/-/ if (top.location != self.location)top.location=self.location;
LuQ"E4;nY% // --></SCRIPT>
Xp<A@2wt? ~R"]LbeY 10. 网页将不能被另存为
:|*Gnu <noscript><iframe src=*.html></iframe></noscript>
/8 e2dw:
\ s
ZlJ/_g 11. <input type=button value=查看网页源代码
OHx,*}N onclick="window.location = `view-source:`+
http://www.51js.com/`";>
/&S~+~]n a!TBk=P 12.删除时确认
} IIK~d, <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
,eZ;8W{G m~Kch~~] 除</a>
hr)+Pk !V$6+?2 13. 取得控件的绝对位置
"#_)G7W+e //javascript
jh<TdvF2$ <script language="javascript">
qAS70XjOF function getIE(E){
&/J.0d-*`` var t=e.offsetTop;
xl1L4R)6D var l=e.offsetLeft;
l Q=&jkw while(e=e.offsetParent){
(M+,wW[6 t+=e.offsetTop;
4*@G&v?n l+=e.offsetLeft;
.(TQ5/
~ }
uW\@x4 alert("top="+t+"/nleft="+l);
GoGohsj }
h(+m<J </script>
0A#9C09 tdMP,0u //VBScript
,yB?~ <script language="VBScript"><!--
`'A(`. CL function getIE()
CF4Oh-f
dim t,l,a,b
i?1js ! 8 set a=document.all.img1
qK9L+i t=document.all.img1.offsetTop
j`[yoAH l=document.all.img1.offsetLeft
=8$(i[;6w while a.tagName<>"BODY"
gQ[] set a = a.offsetParent
97:t29N t=t+a.offsetTop
}QX2:a l=l+a.offsetLeft
D[>XwL wend
IS5.i95m msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
mG}^'?^K end function
J]kP` --></script>
tu?Z@W/ GY0XWUlC 14. 光标是停在文本框文字的最后
oP43 NN~ <script language="javascript">
:Ul'(@ function cc()
I>YtWY|ed {
t5X G^3X@ var e = event.srcElement;
z$I[kR%I{ var r =e.createTextRange();
N+C%Z[gt[ r.moveStart(`character`,e.value.length);
>Rl0%! r.collapse(true);
O]$*EiO\ r.select();
6ywnyh }
onWYT} c{ </script>
{|7OmslC@ <input type=text name=text1 value="123" onfocus="cc()">
0~@L%~ Y1yvI 15. 判断上一页的来源
$~w@0Yl javascript:
34+)-\ xt: document.referrer
VrnK)za*H #G[
*2h~99 16. 最小化、最大化、关闭窗口
s&_IWala <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
N>cp>&jV <param name="Command" value="Minimize"></object>
oneSgJ <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
I;Z`!u:+ <param name="Command" value="Maximize"></object>
>~^mIu_BH <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
K&\BwBU <PARAM NAME="Command" value="Close"></OBJECT>
[#,X$O> }K#&5E <input type=button value=最小化 onclick=hh1.Click()>
Y_Z
&p#Q! <input type=button value=最大化 onclick=hh2.Click()>
l?yZtZ8 <input type=button value=关闭 onclick=hh3.Click()>
EE{#S 本例适用于IE
)"i>R
~* " OS]\- 17.屏蔽功能键Shift,Alt,Ctrl
@y;tk$e <script>
n8;G,[GM80 function look(){
oC@"^>4 if(event.shiftKey)
yv8dfl alert("禁止按Shift键!"; //可以换成ALT CTRL
"x=@,*Bk }
&Gy'AUz- document.onkeydown=look;
kERaY9L\ </script>
n{qw ]/ r=P$iG'& 18. 网页不会被缓存
9`gGsC <META HTTP-EQUIV="pragma" CONTENT="no-cache">
$Kw"5cm <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
"PDSqYA <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
x=)30y3*; 或者<META HTTP-EQUIV="expires" CONTENT="0">
)@lo ';\ $S)e"Po~5 19.怎样让表单没有凹凸感?
qhn&;{{ <input type=text style="border:1 solid #000000">
<5!RAdaj+ 或
-f|+ <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
<'4!G"_EP LF-+5` 1 solid #000000"></textarea>
KoQ_:` *`pec3" 20.<div><span>&<layer>的区别?
3MBz <div>(division)用来定义大段的页面元素,会产生转行
}HA2ce\ <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
43orR !.Z <layer>是ns的标记,ie不支持,相当于<div>
aP6%OI G7kFo6Cb 21.让弹出窗口总是在最上面:
%;B(_ht<-w <body onblur="this.focus();">
vCU&yXGl i>kNz(* 22.不要滚动条?
~A:;?A'. 让竖条没有:
b$`4Nn| <body style=`overflow:-Scroll;overflow-y:hidden`>
<+i`W7 </body>
g:HbmXOBpj 让横条没有:
\A ~I>x <body style=`overflow:-Scroll;overflow-x:hidden`>
qdkTg: QJ, </body>
M;Mdz[Q 两个都去掉?更简单了
Bc9|rl V, <body scroll="no">
xUYN\Pc- </body>
+G=C~X 8L9S^ ' 23.怎样去掉图片链接点击后,图片周围的虚线?
-)->Jx:{ <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
pS|JDMo m(7_ZiL= 24.电子邮件处理提交表单
~V$5 m j <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
H@&"M% <input type=submit>
>*Qk~kv<% </form>
a\.O L}"
8`LLHX1| 25.在打开的子窗口刷新父窗口的代码里如何写?
!f]3Riw-=, window.opener.location.reload()
J\,e/{,X hoD[wAC 26.如何设定打开页面的大小
5-QvQ&eH. <body onload="top.resizeTo(300,200);">
raI~BIfe 打开页面的位置<body onload="top.moveBy(300,200);">
?'$.
-z: N(({2'Rr 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
r{:la56Xd <style>
bM3'm$34 body
A&_i]o {background-image:url(logo.gif); background-repeat:no-repeat;
t;a}p_> s)&R W#:X background-position:center;background-attachment: fixed}
=ILo`Q~ </style>
<812V8<! T?}=k{C] 28. 检查一段字符串是否全由数字组成
Z`1o#yZ <script language="javascript"><!--
D<L{Z[ function checkNum(str){return str.match(//D/)==null}
h|/*yTuN.y alert(checkNum("1232142141"
VT~
^:-] alert(checkNum("123214214a1"
2Z1(J% 7 // --></script>
K
v># z )}wo3 29. 获得一个窗口的大小
8'_
]gfF document.body.clientWidth; document.body.clientHeight
VTX'f2\ ,vY
I
O 30. 怎么判断是否是字符
u #QSa$P if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
[?r\b else alert("全是字符";
c.me1fGn 6`$z*C2{ 31.TEXTAREA自适应文字行数的多少
'w$we6f <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
apWrcaj </textarea>