1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
G`!;RX <table border oncontextmenu=return(false)><td>no</table> 可用于Table
8DrKq]& DA4!-\bt@ 2. <body onselectstart="return false"> 取消选取、防止复制
`~t$k7wm= Pb D|7IM 3. onpaste="return false" 不准粘贴
I^A01\p ;rta#pRn 4. oncopy="return false;" oncut="return false;" 防止复制
A%M&{S'+|X QQjMC' 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
6ud<B EVmE{XlD; 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
`V ++})5v q14A'XW 7. <input style="ime-mode:-Disabled"> 关闭输入法
UE\@7 ]*;+ U6/? 8. 永远都会带着框架
13{"sY:PT# <script language="javascript"><!--
{&(bKQ if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
]O&A:Us // --></script>
Ip0@Q}^ 'E8dkVlI 9. 防止被人frame
s?K4::@Fv <SCRIPT LANGUAGE=javascript><!--
.Lu=16 if (top.location != self.location)top.location=self.location;
[76m gj!K // --></SCRIPT>
f{Y|FjPp=E m9>nvrQ 10. 网页将不能被另存为
*t |j+*c}
<noscript><iframe src=*.html></iframe></noscript>
.'AHIR&> "/XS3sv"s 11. <input type=button value=查看网页源代码
~(0Y`+gC onclick="window.location = `view-source:`+
http://www.51js.com/`";>
j'0*|f ^z /0YNB) 12.删除时确认
XWy
iS\ <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
Sdt2D GrQAho 除</a>
VZlvmN nt[0krG 13. 取得控件的绝对位置
=v5(*$"pd" //javascript
^lMnwqx< <script language="javascript">
(U dDp"/ function getIE(E){
f,a4LF var t=e.offsetTop;
o_*|`E var l=e.offsetLeft;
Q}.y"|^ while(e=e.offsetParent){
|)JoxqR t+=e.offsetTop;
_&![s] l+=e.offsetLeft;
zB]T5] }
;<X3AhF alert("top="+t+"/nleft="+l);
'}YXpB }
ujWHO$uz! </script>
a@r K%Iff `oz7Q(` //VBScript
yRi/YR# <script language="VBScript"><!--
`Zi #rr|)L function getIE()
YV940A-n dim t,l,a,b
@Q1jH~t set a=document.all.img1
h'fD3Gr& t=document.all.img1.offsetTop
B# H l=document.all.img1.offsetLeft
IFTW,9hh while a.tagName<>"BODY"
YXg
uw7%\ set a = a.offsetParent
M2EN(Y_k0 t=t+a.offsetTop
?Ru`ma\; l=l+a.offsetLeft
^{K8uN7 wend
aQmL=9 msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
d=KOV;~); end function
*nW9)T --></script>
8k`zMT d,+n,;6Cf 14. 光标是停在文本框文字的最后
jb![ Lp <script language="javascript">
i
}gxq function cc()
2M#CJ& {
YPy))>Q>cK var e = event.srcElement;
bg*{1^ var r =e.createTextRange();
KJ)&(Yx r.moveStart(`character`,e.value.length);
) IhY&?jk? r.collapse(true);
`s_TY%&_}g r.select();
` ;=Se_ }
#"{8Z&Z </script>
piFQ7B <input type=text name=text1 value="123" onfocus="cc()">
e,*[5xQ ;2|H6IN" 15. 判断上一页的来源
/_a *C.a6 javascript:
L-R}O
8 document.referrer
JAz;_wS(k Wu&Di8GhP 16. 最小化、最大化、关闭窗口
Zn0fgQd <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
K)@}Ok"#\4 <param name="Command" value="Minimize"></object>
T!a[@,)_
<object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
RGLA}| <param name="Command" value="Maximize"></object>
RHbp:Mlk <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
R*0F)M <PARAM NAME="Command" value="Close"></OBJECT>
"y0A<-~ T_Y }1n|7[ <input type=button value=最小化 onclick=hh1.Click()>
{@$3bQ <input type=button value=最大化 onclick=hh2.Click()>
6<Wr
8u, <input type=button value=关闭 onclick=hh3.Click()>
j[`?`RyU 本例适用于IE
~&:R\ ex+AT;o 17.屏蔽功能键Shift,Alt,Ctrl
5Z,lWp2A <script>
/,UkT*+>! function look(){
B,Brmn if(event.shiftKey)
$\!;*SSj alert("禁止按Shift键!"; //可以换成ALT CTRL
wcf_5T }
uP]o39b;V document.onkeydown=look;
rfi`Bp </script>
FO=1P7 3@?YTez# 18. 网页不会被缓存
!S-U8KI| <META HTTP-EQUIV="pragma" CONTENT="no-cache">
[ d7]&i}*| <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<pUou <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
<;e#"(7 或者<META HTTP-EQUIV="expires" CONTENT="0">
OF/)-}! 2QRn
c" 19.怎样让表单没有凹凸感?
|=T<WU1$ <input type=text style="border:1 solid #000000">
q*nz4QTOE 或
eBIR*TZ): <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
"J{zfWr Ds_
"m, 1 solid #000000"></textarea>
tlgvBRH> Y`?X Fy: 20.<div><span>&<layer>的区别?
[Mc5N <div>(division)用来定义大段的页面元素,会产生转行
]!aa#?Fc <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
F5MPy[ <layer>是ns的标记,ie不支持,相当于<div>
]Hy PJ )"uG*}\?b 21.让弹出窗口总是在最上面:
<,4(3 >js <body onblur="this.focus();">
veg!mY2& ok2~B._+; 22.不要滚动条?
WUS9zK 让竖条没有:
X$iJ|=vW <body style=`overflow:-Scroll;overflow-y:hidden`>
E_1I|$ </body>
A]%t0>EL< 让横条没有:
zxUj1 <body style=`overflow:-Scroll;overflow-x:hidden`>
TF-Ty </body>
{dXBXC/Ju 两个都去掉?更简单了
'\B"g@if <body scroll="no">
"nno)~)u </body>
_i@eOqoC B~zg" 23.怎样去掉图片链接点击后,图片周围的虚线?
=L),V~b <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
qU*&49X ]\,uF8gg) 24.电子邮件处理提交表单
bXwoJ2 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
]=VS~azZ5 <input type=submit>
?}v% JUcs </form>
XuoEAu8] |;m`874 25.在打开的子窗口刷新父窗口的代码里如何写?
0DVZRB window.opener.location.reload()
&Z!K]OSY cievC,3* 26.如何设定打开页面的大小
CN~NyJL H <body onload="top.resizeTo(300,200);">
PFy;qk 打开页面的位置<body onload="top.moveBy(300,200);">
<Iyot]E L2.`1Aag 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
bTQa'y`3 <style>
g)?g7{&?>? body
/:{_| P\ {background-image:url(logo.gif); background-repeat:no-repeat;
)]c3bMVE- A
a} o* background-position:center;background-attachment: fixed}
uoY`qF.` </style>
_pko]F|() {hRie+ 28. 检查一段字符串是否全由数字组成
!M&un* <script language="javascript"><!--
Wo9psv7. function checkNum(str){return str.match(//D/)==null}
Tb1}XvZ alert(checkNum("1232142141"
9_WPWFO alert(checkNum("123214214a1"
fb.\V]K // --></script>
F:o# DwY<qNWT 29. 获得一个窗口的大小
-F+P;S document.body.clientWidth; document.body.clientHeight
5Sjr6l3Vq8 B5,QJ W* 30. 怎么判断是否是字符
}#HTO:r if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
0SYf<$ else alert("全是字符";
vo6[2.HS SAG`^t 31.TEXTAREA自适应文字行数的多少
q bZ,K@0 <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
5u|=;Hz*) </textarea>