1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
.C?g nOq <table border oncontextmenu=return(false)><td>no</table> 可用于Table
aQ\O ]gCE -&tiM
v 2. <body onselectstart="return false"> 取消选取、防止复制
=p$ Wo ,/9|j*9H 3. onpaste="return false" 不准粘贴
Jq)k?WS vj0?b/5m 4. oncopy="return false;" oncut="return false;" 防止复制
!I&Sy]G YgDasKFm' 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
nfB9M1Svn aH~"hB^e 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
w+H=Xh4t p(%x&*)f 7. <input style="ime-mode:-Disabled"> 关闭输入法
?OFvGd :wm^04<i 8. 永远都会带着框架
EZV$1pa <script language="javascript"><!--
&Y$rVBgQ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
dI|/Xm> // --></script>
d0az#Yg! $i
Tgv?.Q 9. 防止被人frame
|{Q,,<C <SCRIPT LANGUAGE=javascript><!--
.jw)e!<\N if (top.location != self.location)top.location=self.location;
=Y0m;-1M // --></SCRIPT>
VVY\W! +a;j>hh 10. 网页将不能被另存为
3iTjM>+> <noscript><iframe src=*.html></iframe></noscript>
:8g \B{ oY:>pxSz<@ 11. <input type=button value=查看网页源代码
K.~U%v} onclick="window.location = `view-source:`+
http://www.51js.com/`";>
5N/;'ySAE_ ,5:86'p 12.删除时确认
+0DIN4Y(4 <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
C54)eT6 ,zaveQ~l 除</a>
B%/Pn
2 2rM i~8T 13. 取得控件的绝对位置
t60m:k4J //javascript
?hYe4tc-# <script language="javascript">
1;V5b+b function getIE(E){
l?~h_8&fT var t=e.offsetTop;
OMU#Sx!6 var l=e.offsetLeft;
Hn)=:lI while(e=e.offsetParent){
{[+gM? t+=e.offsetTop;
cAS5&T< l+=e.offsetLeft;
HS7!O }
8:bNFgJD alert("top="+t+"/nleft="+l);
j?A+qk }
XijQ)}'C3 </script>
Mtr~d 'I2)-=ZL6 //VBScript
IcZ 'KV <script language="VBScript"><!--
\N)FUYoHg function getIE()
zD'gGxM1 dim t,l,a,b
Jo ^o`9 set a=document.all.img1
?}.(k/ t=document.all.img1.offsetTop
{U9jA_XX l=document.all.img1.offsetLeft
E7D
DMU while a.tagName<>"BODY"
-~g3?!+Hb set a = a.offsetParent
t/CNxfY t=t+a.offsetTop
Ge x^\gf l=l+a.offsetLeft
%oo&M; wend
{T9g\F* msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
ZpyRvDz end function
tznT*EQr --></script>
Zl)|x%z moGbBkO 14. 光标是停在文本框文字的最后
[*(MI 9WM <script language="javascript">
}`(kX] ][ function cc()
7~&Y"& {
~Y(M>u.+! var e = event.srcElement;
6`i' var r =e.createTextRange();
G+}LLm.wX r.moveStart(`character`,e.value.length);
}|d:(* r.collapse(true);
HFazqQ[ r.select();
zV]0S o }
Y'P8 `$ </script>
g6farLBF <input type=text name=text1 value="123" onfocus="cc()">
S.z ;Bm 7)T+!> 15. 判断上一页的来源
,Xw/
t> javascript:
>,v~,<3
i document.referrer
1NTe@r!y <KpQu%2( 16. 最小化、最大化、关闭窗口
*=8)]_=f <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
+2?[=g4;} <param name="Command" value="Minimize"></object>
_:z~P<%s <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
7]Egu D4 <param name="Command" value="Maximize"></object>
U6Qeode <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
{2nXItso <PARAM NAME="Command" value="Close"></OBJECT>
ATU@5,9 <i5^izg <input type=button value=最小化 onclick=hh1.Click()>
[qz6_WOo <input type=button value=最大化 onclick=hh2.Click()>
;dnn
2)m <input type=button value=关闭 onclick=hh3.Click()>
1L0ku@%t9Y 本例适用于IE
z(xvt> xfzR>NU 17.屏蔽功能键Shift,Alt,Ctrl
^V:YNUqp# <script>
`'>>[*06:a function look(){
La!PGZ{ if(event.shiftKey)
#df43_u alert("禁止按Shift键!"; //可以换成ALT CTRL
\=@}(<4 }
/X?Nv^Hy document.onkeydown=look;
Wi[Y@ </script>
ru&RL
HFV ;KhYh S(q 18. 网页不会被缓存
-nW{$&5AF <META HTTP-EQUIV="pragma" CONTENT="no-cache">
.q=X58tHu <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
mH?hzxa+ <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
xU&rUk/L 或者<META HTTP-EQUIV="expires" CONTENT="0">
}8svd#S+ 17 GyE=Uu 19.怎样让表单没有凹凸感?
Xk3Ufz]QN <input type=text style="border:1 solid #000000">
,uw&)A 或
kahv1s- <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
?z6C8T~+ [H&m@*UO 1 solid #000000"></textarea>
; ^$RG )sQbDA|p 20.<div><span>&<layer>的区别?
@.0,ka,X <div>(division)用来定义大段的页面元素,会产生转行
" n\!y~: <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
S$#Awen"@ <layer>是ns的标记,ie不支持,相当于<div>
myo/}58Nv )-9/5Z0v 21.让弹出窗口总是在最上面:
[kXe)dMX8 <body onblur="this.focus();">
5Ql6?UHD 1v Thb 22.不要滚动条?
&qr7yyY 让竖条没有:
s^U^n// <body style=`overflow:-Scroll;overflow-y:hidden`>
WRgz]=W3w </body>
_w26iCnB{ 让横条没有:
RHxd6Gs" <body style=`overflow:-Scroll;overflow-x:hidden`>
1~*_H_Q't </body>
C{Fo^-3 两个都去掉?更简单了
zh6so. <body scroll="no">
}"T:z{n </body>
a-W&/ 2vwT8/ 23.怎样去掉图片链接点击后,图片周围的虚线?
Ii9vA ^53 <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
O~D}&M@/R 6hZhD1lDG^ 24.电子邮件处理提交表单
R'F|z{8 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
cr!I"kTgD <input type=submit>
QK72F </form>
A=,m X[|>r@Aa! 25.在打开的子窗口刷新父窗口的代码里如何写?
ugCc&~` window.opener.location.reload()
ovHbs^H% N&n{R8=^" 26.如何设定打开页面的大小
":Q70*xSm <body onload="top.resizeTo(300,200);">
us]ah~U6A 打开页面的位置<body onload="top.moveBy(300,200);">
[W;14BD7 %!q(zql 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
Yc
%eTh <style>
v|hi;l@7E body
K+7xjFoDIR {background-image:url(logo.gif); background-repeat:no-repeat;
K@fxCj*} i{,>2KVC| background-position:center;background-attachment: fixed}
!87ebo </style>
t^YDCcvoQ JvG t=v 28. 检查一段字符串是否全由数字组成
Vf:t!'WD?2 <script language="javascript"><!--
6`yq4!&v function checkNum(str){return str.match(//D/)==null}
!=-l760 alert(checkNum("1232142141"
X0lIeGwrQ alert(checkNum("123214214a1"
WgjaMmht // --></script>
8FMP)N4+ IL~yJx_11 29. 获得一个窗口的大小
iD\joh-C document.body.clientWidth; document.body.clientHeight
M,9WF)p)V 0t9G$23 30. 怎么判断是否是字符
`*slQ}i if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
t;*'p else alert("全是字符";
`R^)<v* gt
?&!S^ 31.TEXTAREA自适应文字行数的多少
T.xW|Iwx <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
CzK
X} </textarea>