1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
PuZzl%i
P3 <table border oncontextmenu=return(false)><td>no</table> 可用于Table
AtHkz|sl {_\dwe9 2. <body onselectstart="return false"> 取消选取、防止复制
5X];?(VTsb Px?"5g#+ 3. onpaste="return false" 不准粘贴
u|$HA>F[ A~E S{Zkh 4. oncopy="return false;" oncut="return false;" 防止复制
Lhg f&5S`}C 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
I'{Ctc *<
fJgc"3 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
p(GI02|n 'M? ptu?f 7. <input style="ime-mode:-Disabled"> 关闭输入法
hUvA;E(qD v4 rO 0y=C 8. 永远都会带着框架
GGHeC/4 <script language="javascript"><!--
l>
H'PP~ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
i}>EGmv m // --></script>
NqKeQezX [=cbzmX[ 9. 防止被人frame
&*O'qOO<2 <SCRIPT LANGUAGE=javascript><!--
GcO:!b*YMp if (top.location != self.location)top.location=self.location;
oM@%2M_O( // --></SCRIPT>
u"hr4+/ RJDk7{( 10. 网页将不能被另存为
Txe*$T,( <noscript><iframe src=*.html></iframe></noscript>
"X?Zw$gRud @zw&-b:qI 11. <input type=button value=查看网页源代码
N,9~J"z onclick="window.location = `view-source:`+
http://www.51js.com/`";>
W4nn)qBrh G){+.X4g3 12.删除时确认
9CwtBil<#g <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
fYZd:3VdC !JDuVqW 除</a>
.sj/Lw} 3''Kg<k,I 13. 取得控件的绝对位置
j8?! J^TC //javascript
#!TlalV <script language="javascript">
h1 "# function getIE(E){
Q8l vwip var t=e.offsetTop;
gxI/MD~!> var l=e.offsetLeft;
c(8>oeKyD while(e=e.offsetParent){
t Jtp1$h t+=e.offsetTop;
&l-d_dh l+=e.offsetLeft;
HtE^7i*_ }
J]S6%omp> alert("top="+t+"/nleft="+l);
oLlfqV,|L\ }
]1GyEr: </script>
n?q+:P s`,g4ce` //VBScript
o^d|/; <script language="VBScript"><!--
}NV<k function getIE()
zU0JwZi dim t,l,a,b
SV95g@ set a=document.all.img1
Um`KmM3 t=document.all.img1.offsetTop
Ik5-ooZ&{ l=document.all.img1.offsetLeft
n2c(x\DA& while a.tagName<>"BODY"
Ha ZV7 set a = a.offsetParent
Eoo[H2=^H t=t+a.offsetTop
q:jv9eL.O l=l+a.offsetLeft
@sd{V wend
K'"s9b8 msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
Mjl,/-0 w end function
dYwEVu6q --></script>
9~K>c $j(4FyH\ 14. 光标是停在文本框文字的最后
X9" T(` <script language="javascript">
'f %oL/, function cc()
^pfM/LQ@ {
8"ZcK xDk var e = event.srcElement;
oz3!%' var r =e.createTextRange();
f::^zAV r.moveStart(`character`,e.value.length);
7:$dl# r.collapse(true);
4RQ38%> >j r.select();
3|3ad' }
}VH2G94Ll </script>
w+\RSqz/ <input type=text name=text1 value="123" onfocus="cc()">
R[vX+d!7 v=uQ8_0~N 15. 判断上一页的来源
X^m@*,[s javascript:
_m#TL60m document.referrer
L5&,sJz ">fRM=fl 16. 最小化、最大化、关闭窗口
chuJj
IY <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
n*|8(fD <param name="Command" value="Minimize"></object>
1T,Bd!g <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
!#olG}#[ <param name="Command" value="Maximize"></object>
GV9pet89yu <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
[>j.x2= <PARAM NAME="Command" value="Close"></OBJECT>
x<d ew :}SR{}]yXs <input type=button value=最小化 onclick=hh1.Click()>
)kKeA <input type=button value=最大化 onclick=hh2.Click()>
3%x-^. <input type=button value=关闭 onclick=hh3.Click()>
Xh~oDnP 本例适用于IE
t[ b(erO' B(-F|q\ 17.屏蔽功能键Shift,Alt,Ctrl
fl_a@QdB# <script>
'P&r^V\~(/ function look(){
J04R,B if(event.shiftKey)
\naG alert("禁止按Shift键!"; //可以换成ALT CTRL
6,R<8a;Wn }
>Ij#+= document.onkeydown=look;
l,b_'
m@ </script>
qX[C% +$^[r 18. 网页不会被缓存
jM'Fb.>~ <META HTTP-EQUIV="pragma" CONTENT="no-cache">
D2:ShyYAS <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
%a-fxV[ <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
r"5\\ qf5* 或者<META HTTP-EQUIV="expires" CONTENT="0">
RC/&dB 4 T/ ~erc 19.怎样让表单没有凹凸感?
yN#]Q}4 <input type=text style="border:1 solid #000000">
AZJ|.mV q 或
]InDcE <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
,zBc-Cm d _=44( - 1 solid #000000"></textarea>
c8cGIAOY) UyNP:q: 20.<div><span>&<layer>的区别?
(i@(ZG]/ <div>(division)用来定义大段的页面元素,会产生转行
t$Ua&w <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
Hu!<GB~ <layer>是ns的标记,ie不支持,相当于<div>
B=%YD"FAv Q6[h;lzGV 21.让弹出窗口总是在最上面:
_9/Af1X <body onblur="this.focus();">
<g8{LG0 MB.LHIo 22.不要滚动条?
DsBZ% 让竖条没有:
V5I xZn% <body style=`overflow:-Scroll;overflow-y:hidden`>
iW?NxP </body>
,#.^2O9-^ 让横条没有:
3ZYrNul" <body style=`overflow:-Scroll;overflow-x:hidden`>
rN {5^+w </body>
`zcpaE.@ 两个都去掉?更简单了
-dUXd<=ue <body scroll="no">
6lxZo_ </body>
J8`vk#5 .noY[P8i 23.怎样去掉图片链接点击后,图片周围的虚线?
??P>HVx <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
Bq85g5Dc M""X_~&I" 24.电子邮件处理提交表单
j 2Jew <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
^F/H?V/PX <input type=submit>
?kc,}/4 </form>
A^ry|4`3( VDv>I 2% 25.在打开的子窗口刷新父窗口的代码里如何写?
tpKQ$)ed window.opener.location.reload()
<UJ5n) }"\ &) Iue<&2 26.如何设定打开页面的大小
`XbV*{7 <body onload="top.resizeTo(300,200);">
C5#$NV99p 打开页面的位置<body onload="top.moveBy(300,200);">
$D#eD. )$FwB6^ 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
gO!:WD <style>
*wz6 2p body
RXbZaje$ {background-image:url(logo.gif); background-repeat:no-repeat;
fAeq(tI= 5CM]-qbf@ background-position:center;background-attachment: fixed}
t*!Q9GC_ </style>
X]%n#\t,] }Q>??~mVl 28. 检查一段字符串是否全由数字组成
3ry0. <script language="javascript"><!--
[UaM}-eR function checkNum(str){return str.match(//D/)==null}
Pexg"328 alert(checkNum("1232142141"
If. hA} alert(checkNum("123214214a1"
e5cvmUF_W // --></script>
ljj}XJQ uTUkRqtD! 29. 获得一个窗口的大小
pd}af iF document.body.clientWidth; document.body.clientHeight
fYZ)5xnj lV<j?I~?Q 30. 怎么判断是否是字符
*ps")?tlC if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
9xUAfU else alert("全是字符";
T$9tO{ }o#6g|"\sY 31.TEXTAREA自适应文字行数的多少
sBu- \P# <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
cH\.-5NQ </textarea>