1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
|1i]L @& <table border oncontextmenu=return(false)><td>no</table> 可用于Table
/4H[4m]I 6s5b$x 2. <body onselectstart="return false"> 取消选取、防止复制
,$BgR2^ ;24'f-Eri 3. onpaste="return false" 不准粘贴
T\cR2ZT~ j Ii[ 4. oncopy="return false;" oncut="return false;" 防止复制
s@z{dmL QxA0I+i 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
s<d!+< KJ pj 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
Y.9~Bo<<r !Z-9tYO 7. <input style="ime-mode:-Disabled"> 关闭输入法
mb~./.5F ;'hi9L 8. 永远都会带着框架
Lb^(E- <script language="javascript"><!--
W'V@ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
>"bnpYSe // --></script>
N)P((>S; a!?.F_T9A 9. 防止被人frame
%GS\1 Q% <SCRIPT LANGUAGE=javascript><!--
yFi6jN#~ if (top.location != self.location)top.location=self.location;
n_u`B|^Pj // --></SCRIPT>
[5!'ykZ Kny%QBoiw 10. 网页将不能被另存为
T|!D>l' <noscript><iframe src=*.html></iframe></noscript>
Y!;gQeC O!yakU+ 11. <input type=button value=查看网页源代码
r/^tzH's onclick="window.location = `view-source:`+
http://www.51js.com/`";>
0w'|d@*wV }ymc5- 12.删除时确认
;fj9n- <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
rWqkdi1 %P(;8sS 除</a>
Kc-Y ^IYJEqK 13. 取得控件的绝对位置
bSY;[{Kl //javascript
*[VEF <script language="javascript">
XL&hs+Y function getIE(E){
5pB^Y MP var t=e.offsetTop;
Vj/fAHR`>' var l=e.offsetLeft;
&7fY_~ )B while(e=e.offsetParent){
T6,V t+=e.offsetTop;
%
<^[j^j}o l+=e.offsetLeft;
a6k(9ZF }
6EZ1YG} alert("top="+t+"/nleft="+l);
)&XnM69~b }
q%DVDq( z </script>
M q76]I% xkF$D:sP //VBScript
g%X &f_@ <script language="VBScript"><!--
~c!Rx' function getIE()
G&.d)NfE dim t,l,a,b
jT{f<P0 set a=document.all.img1
.|U4N/XN%q t=document.all.img1.offsetTop
L>0!B8X2 l=document.all.img1.offsetLeft
9^(HXH_f while a.tagName<>"BODY"
Y:rJK|m set a = a.offsetParent
NoJUx['6 t=t+a.offsetTop
9jqO/_7R+ l=l+a.offsetLeft
6aRGG+H wend
BSOjyy1f msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
]c5DOv& end function
y#&$f --></script>
[k!-;mi +O&RBEa[ 14. 光标是停在文本框文字的最后
l_bL,-|E8 <script language="javascript">
i^/
eN function cc()
L7s>su|c( {
tF<^9stM var e = event.srcElement;
#"hJpyW 4V var r =e.createTextRange();
fE'-.nA+ r.moveStart(`character`,e.value.length);
LjSLg[ i r.collapse(true);
)\0Ug7]? r.select();
P8"6"}B;T }
qbEKp HnB </script>
C:rRK* <input type=text name=text1 value="123" onfocus="cc()">
7t ZW^dF %)BwE 15. 判断上一页的来源
(W7;}g ysh javascript:
+{5JDyh0 document.referrer
A*rZQh
b[ -)4uYK* 16. 最小化、最大化、关闭窗口
IO^:FnJJv <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
fS5GICx8R <param name="Command" value="Minimize"></object>
;R/k2^uF <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
W+8BQ-2 <param name="Command" value="Maximize"></object>
u)tHOV>& <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
8mk}nex <PARAM NAME="Command" value="Close"></OBJECT>
1P+Mv^%I *~"zV`*Q <input type=button value=最小化 onclick=hh1.Click()>
C usVW <input type=button value=最大化 onclick=hh2.Click()>
?@3#c <input type=button value=关闭 onclick=hh3.Click()>
&/sGh0 本例适用于IE
oK#\HD4U K5 5} Wi 17.屏蔽功能键Shift,Alt,Ctrl
!'Pk
jP <script>
(m<R0 function look(){
.=>\Qq% if(event.shiftKey)
kuWK/6l4 alert("禁止按Shift键!"; //可以换成ALT CTRL
#.<*; rB }
o G(0i document.onkeydown=look;
\_lG#p| </script>
UN-T^ B jH ~Ml2 18. 网页不会被缓存
=Dh$yC-Zr <META HTTP-EQUIV="pragma" CONTENT="no-cache">
M4zX*&w.T <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
44'=;/ <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
n33JTqX 或者<META HTTP-EQUIV="expires" CONTENT="0">
Oyi;bb<# [B}1z 19.怎样让表单没有凹凸感?
!S~,>,yd <input type=text style="border:1 solid #000000">
O3_D~O
." 或
_7r qXkp% <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
2=igS#h ,Adus M 1 solid #000000"></textarea>
,:v.L}+Z X*TuQ\T 20.<div><span>&<layer>的区别?
L{cK^ , <div>(division)用来定义大段的页面元素,会产生转行
^;0~6uBEJr <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
70'}f <layer>是ns的标记,ie不支持,相当于<div>
Bv2z4D4f+ +L^A:}L( 21.让弹出窗口总是在最上面:
rFKo E% <body onblur="this.focus();">
AeNyZ[40T v(qV\:s}m 22.不要滚动条?
g,00'z_D 让竖条没有:
jf$JaY <body style=`overflow:-Scroll;overflow-y:hidden`>
Q
mb[ e> </body>
Rf)'HT 让横条没有:
&Pmc"9Rl <body style=`overflow:-Scroll;overflow-x:hidden`>
)p^m}N 6M] </body>
>E//pr)_Km 两个都去掉?更简单了
s,1pZT <E <body scroll="no">
eNIkiJ$uS </body>
k)N2 +/ <bEN8b 23.怎样去掉图片链接点击后,图片周围的虚线?
n%83jep9 <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
X)`(nj ?D RFsA 24.电子邮件处理提交表单
[ea6dv4p <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
u}JQTro <input type=submit>
mr:kn0 </form>
j#*asGdp#J 9F2P(aS 25.在打开的子窗口刷新父窗口的代码里如何写?
AzHIp^ window.opener.location.reload()
P`\m9"7 ke3HK9P; 26.如何设定打开页面的大小
q`/amI0 <body onload="top.resizeTo(300,200);">
1VhoJGH;C 打开页面的位置<body onload="top.moveBy(300,200);">
S[W9G)KWp r[.zLXgK 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
^ 4u3Q <style>
m&Y;/kr body
*k3 d^9o# {background-image:url(logo.gif); background-repeat:no-repeat;
B(4:_j\2 Z]mM background-position:center;background-attachment: fixed}
"/4s8.dw+u </style>
3e!3.$4M *kX3sG$8 28. 检查一段字符串是否全由数字组成
|@o]X?^ <script language="javascript"><!--
6Nfof function checkNum(str){return str.match(//D/)==null}
rK(x4]I
l" alert(checkNum("1232142141"
w5dIk]T alert(checkNum("123214214a1"
d8Q_6(Ar| // --></script>
c8k6(#\ &+E'1h10 29. 获得一个窗口的大小
!.;xt L document.body.clientWidth; document.body.clientHeight
AmT|%j&3 H j5WJ{p. 30. 怎么判断是否是字符
&rl]$Mtt if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
E1Ru)k{B else alert("全是字符";
}S~ysQwT 9#Aipu\ 31.TEXTAREA自适应文字行数的多少
m
wRLzN <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
,xtKPA </textarea>