1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
E0;KTcZi <table border oncontextmenu=return(false)><td>no</table> 可用于Table
0!WF,)/T7i 0JQ0lzk1 2. <body onselectstart="return false"> 取消选取、防止复制
K#j<G]I( @ *
u_nu> 3. onpaste="return false" 不准粘贴
=B}a +0u! 0]x g E 4. oncopy="return false;" oncut="return false;" 防止复制
2OXcP!\Y %/l9$>{ 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
8>Y -ZTe#@J 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
8.-0_C*U; w\
hl2JTy 7. <input style="ime-mode:-Disabled"> 关闭输入法
pYtG%< }b9"&io 8. 永远都会带着框架
c7$L: <script language="javascript"><!--
)7U^&I, if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
sSisO?F!Z // --></script>
D&Xh|}2A q[6tvPfkX 9. 防止被人frame
_ >)+
u <SCRIPT LANGUAGE=javascript><!--
P\;L#2n if (top.location != self.location)top.location=self.location;
|}~2=r z // --></SCRIPT>
7H$0NMP AXUSU(hU 10. 网页将不能被另存为
_:hrm%^ <noscript><iframe src=*.html></iframe></noscript>
o:H^
L,<Tl %LeQpbyOR 11. <input type=button value=查看网页源代码
' `0kW_' onclick="window.location = `view-source:`+
http://www.51js.com/`";>
QEK RAPw `Yk~2t"V 12.删除时确认
RlRkw+%m <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
8dg\_H_ !.(Kpcrg 除</a>
hT`kma Kjw4,z%\94 13. 取得控件的绝对位置
`1|#Za~e //javascript
_ZM$&6EC <script language="javascript">
.Dn.|A function getIE(E){
pmm?Fq!s= var t=e.offsetTop;
a;=)` var l=e.offsetLeft;
2nSX90@: while(e=e.offsetParent){
d~bZOy t+=e.offsetTop;
XLEEd?Vct9 l+=e.offsetLeft;
>s
4"2X }
U(lcQC`$ alert("top="+t+"/nleft="+l);
~U] "dbQ }
+_.k\CRms </script>
:}QBrd 4CO"> : //VBScript
_lWC)bv` <script language="VBScript"><!--
z >EO Qe function getIE()
tDWW
4H dim t,l,a,b
kq;1Ax0{ set a=document.all.img1
~vqVASUc, t=document.all.img1.offsetTop
|Ai/q6u l=document.all.img1.offsetLeft
X9W'.s.[Q while a.tagName<>"BODY"
gZa/?[+ set a = a.offsetParent
~7!=<MW t=t+a.offsetTop
\!!qzrq l=l+a.offsetLeft
~%SmH[i wend
RCXm</
msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
L-B"P& end function
6f"jl --></script>
l(c2 B )gOVnA/M 14. 光标是停在文本框文字的最后
lSMv9:N <script language="javascript">
<evvNSE function cc()
{WBe(dc_% {
{FYWQ!L var e = event.srcElement;
;E Z5/"T var r =e.createTextRange();
LAe>XF-5 r.moveStart(`character`,e.value.length);
N$\'X<{ r.collapse(true);
eWKFs)C] r.select();
p~Tp=d)/ }
glMYEGz6p </script>
rF9|xgFK <input type=text name=text1 value="123" onfocus="cc()">
[}xVz"8 V 6`KR 15. 判断上一页的来源
,2t|(V*"& javascript:
Ban@$uf document.referrer
yyp0GV.x [v@3|@ 16. 最小化、最大化、关闭窗口
SM57bN <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
-^1}J <param name="Command" value="Minimize"></object>
8Zj=:; <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
r7Vt,{4/ <param name="Command" value="Maximize"></object>
t>hoXn^- <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
tcDWx:Q <PARAM NAME="Command" value="Close"></OBJECT>
t0*kL. vY 0EffZ <input type=button value=最小化 onclick=hh1.Click()>
0P{^aSxTP <input type=button value=最大化 onclick=hh2.Click()>
-L4fp
<input type=button value=关闭 onclick=hh3.Click()>
Nk.m$ 本例适用于IE
7a$K@iWU jL9g.q4^ 17.屏蔽功能键Shift,Alt,Ctrl
o#"U8N%r <script>
KCBA`N8 function look(){
q=I8W}Zi if(event.shiftKey)
l#%qF Db alert("禁止按Shift键!"; //可以换成ALT CTRL
#'DrgZ)W }
a0wSXd document.onkeydown=look;
#$5"&SM </script>
;(&$Iw9X l*r8.qp 18. 网页不会被缓存
/KU9sIE; <META HTTP-EQUIV="pragma" CONTENT="no-cache">
X;e=d+pw <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
_f5>r (1Q <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
7aF'E1e'3 或者<META HTTP-EQUIV="expires" CONTENT="0">
ZmLA4< pZE}<EX 19.怎样让表单没有凹凸感?
QN4{xf:}S <input type=text style="border:1 solid #000000">
[b2KBww\ 或
.uh>S!X, ] <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
,6J{-Iu CP]nk0 1 solid #000000"></textarea>
-_*ux! 7
KuUV!\h` 20.<div><span>&<layer>的区别?
2XX- <div>(division)用来定义大段的页面元素,会产生转行
]\~s83?X <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
(vR9vOpJ <layer>是ns的标记,ie不支持,相当于<div>
r\PO?1 ZVelKI8> 21.让弹出窗口总是在最上面:
c)*,">$# <body onblur="this.focus();">
ojc m%yd g~7x+cu0 22.不要滚动条?
Arr(rM 让竖条没有:
T!f+H?6 <body style=`overflow:-Scroll;overflow-y:hidden`>
VyMFALSe]h </body>
xK*G'3Ge 让横条没有:
D(;jv= "/ <body style=`overflow:-Scroll;overflow-x:hidden`>
e/7rr~"| </body>
;\'d9C 两个都去掉?更简单了
7@W}>gnf <body scroll="no">
w@![rH6~F
</body>
`4SwdW n n 3eLIA{ 23.怎样去掉图片链接点击后,图片周围的虚线?
~=P#7l\o1 <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
mm
dQ\\ WMw|lV r 24.电子邮件处理提交表单
vVbBg; { <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
A!^
d8#~. <input type=submit>
+#RgHo?f </form>
gzMp&J |e QwI& 25.在打开的子窗口刷新父窗口的代码里如何写?
wsKOafrV window.opener.location.reload()
7Dt*++: ^)nIf)9}7 26.如何设定打开页面的大小
*'-[J 2 <body onload="top.resizeTo(300,200);">
C8Oh]JF4d 打开页面的位置<body onload="top.moveBy(300,200);">
kC_Kb&Q0 E%b*MU 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
wbpz, <style>
$~ >/_<~ body
9#>t% IF~ {background-image:url(logo.gif); background-repeat:no-repeat;
MaS-*;BY, (y^svXU}a background-position:center;background-attachment: fixed}
SG4)kQ </style>
^XgBkC~ gcA,u)z}R 28. 检查一段字符串是否全由数字组成
"d; T1 <script language="javascript"><!--
9Ai3p function checkNum(str){return str.match(//D/)==null}
CcJ%;.V,T alert(checkNum("1232142141"
r`\6+ Ntb. alert(checkNum("123214214a1"
d)WGI
RUx // --></script>
D7lRZb TWeup6k 29. 获得一个窗口的大小
,k9xI<i document.body.clientWidth; document.body.clientHeight
O>@ChQF
O`^dy7>{U 30. 怎么判断是否是字符
y$K[ArqX if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
oHPh2b0 else alert("全是字符";
Im!fZ g D[
v2#2 31.TEXTAREA自适应文字行数的多少
}~#Tsv <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
o)L)| </textarea>