1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
X-3L4@T:? <table border oncontextmenu=return(false)><td>no</table> 可用于Table
"h7Z(Y kmy?`P10(z 2. <body onselectstart="return false"> 取消选取、防止复制
GL@s~_;T6 1;fs`k0p 3. onpaste="return false" 不准粘贴
*Sz`=U7n r;y&Wa 4. oncopy="return false;" oncut="return false;" 防止复制
%saTyF, `vDg~o 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
b[uTt'p} nkS6A}i3o 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
cOOPNa>5_ V3yO_Iqa 7. <input style="ime-mode:-Disabled"> 关闭输入法
2a5yJeaIv* IB}.J,= 8. 永远都会带着框架
iFF/[P <script language="javascript"><!--
~SV;"e2N. if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
*X*D,
VY // --></script>
i/C#fIB2 O~">-'f 9. 防止被人frame
klT6?'S <SCRIPT LANGUAGE=javascript><!--
PgB=<#9 if (top.location != self.location)top.location=self.location;
5G(y // --></SCRIPT>
MG8-1M ^[&*B#( 10. 网页将不能被另存为
6du"^g <noscript><iframe src=*.html></iframe></noscript>
`gfK#0x# 5c{=/}Y 11. <input type=button value=查看网页源代码
%- %/3 onclick="window.location = `view-source:`+
http://www.51js.com/`";>
66:|) >8t(qM-~: 12.删除时确认
A
|NX" <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
3`^]#Dh QdO$,i' 除</a>
Z'S>i*Ts
Y
+HVn0~qz 13. 取得控件的绝对位置
-<ZzYQk^h //javascript
tDy1Gh/c <script language="javascript">
RvDqo d function getIE(E){
"9LPq var t=e.offsetTop;
b'3#FI=: var l=e.offsetLeft;
p"q-sMYl while(e=e.offsetParent){
aFIet55o t+=e.offsetTop;
~+l%}4RZ l+=e.offsetLeft;
<u4GIi
<sm }
ZJy
D/9y alert("top="+t+"/nleft="+l);
@m6pAo4P }
)I1LBvfQ </script>
:w:5;cmV )byQ=-<1 //VBScript
pNVao{::5 <script language="VBScript"><!--
Q{>9Dg function getIE()
JC>}(yQA dim t,l,a,b
[USXNe/
set a=document.all.img1
>f`}CLsY t=document.all.img1.offsetTop
eHqf3f
l=document.all.img1.offsetLeft
xU@Z<d,k while a.tagName<>"BODY"
-{7:^K[)
set a = a.offsetParent
B-@f.NO/s t=t+a.offsetTop
QXXcJc~ l=l+a.offsetLeft
vaTXu* wend
`kekc.*-[@ msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
(&njZdcb* end function
lFc3 5 --></script>
TuaT-Z~U{ RL)'m 14. 光标是停在文本框文字的最后
BOh&Db* <script language="javascript">
U$Ew,v< function cc()
_`D760q} {
jg%D
G2 var e = event.srcElement;
0;k3 var r =e.createTextRange();
3`, m=1[) r.moveStart(`character`,e.value.length);
{/n$Y|TIQt r.collapse(true);
h[XGFz r.select();
y{v*iH< }
YI\^hP# </script>
7[u&% <input type=text name=text1 value="123" onfocus="cc()">
$f)Y
!<bC 4pc=MR 15. 判断上一页的来源
sM?DNE^BvW javascript:
F$+_Z~yt3; document.referrer
F6q}(+9i BA-n+WCWJ
16. 最小化、最大化、关闭窗口
*qpmI9m <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
>!a*wf~] <param name="Command" value="Minimize"></object>
wHIS}OONz <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
j?.VJ^Ff/u <param name="Command" value="Maximize"></object>
]+@b=J2b <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
pl7!O9bo <PARAM NAME="Command" value="Close"></OBJECT>
nY~CAo/: wz:w R+ <input type=button value=最小化 onclick=hh1.Click()>
^8fO3<Jg <input type=button value=最大化 onclick=hh2.Click()>
~Q6ufTGhpM <input type=button value=关闭 onclick=hh3.Click()>
ueqR@i 本例适用于IE
fx_7B ( fY-{,+ `' 17.屏蔽功能键Shift,Alt,Ctrl
?;i6eg17< <script>
nR
,j1IUF function look(){
VqYe0-^=P if(event.shiftKey)
Y@L`XNl alert("禁止按Shift键!"; //可以换成ALT CTRL
xpSMbX{e }
cFuvi^n\ document.onkeydown=look;
{ >4exyu6 </script>
4Ly!:GH3T F%< 0pi 18. 网页不会被缓存
?=
ulfGrY <META HTTP-EQUIV="pragma" CONTENT="no-cache">
98V9AOgk <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
J#JZ^59lOS <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
-5E%f|U 或者<META HTTP-EQUIV="expires" CONTENT="0">
GMiWS:`;v` D5U\~'{L 19.怎样让表单没有凹凸感?
Dj %jrtT <input type=text style="border:1 solid #000000">
O'j;"l~H| 或
M%6{A+( <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
T>L6 X:d #V~r@, 1 solid #000000"></textarea>
j@ =n|cq [kn`~hI 20.<div><span>&<layer>的区别?
o/9 V1" <div>(division)用来定义大段的页面元素,会产生转行
rK"$@tc <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
JQ0KXS Nr <layer>是ns的标记,ie不支持,相当于<div>
\|wVIi tn:9 21.让弹出窗口总是在最上面:
B_@>HZ\& <body onblur="this.focus();">
6rPe\'n=B c\-I+lMBi 22.不要滚动条?
,qaIdw [ 让竖条没有:
m]&d TZV <body style=`overflow:-Scroll;overflow-y:hidden`>
>JnEhVRQJ9 </body>
{?#g*QF|^ 让横条没有:
.F> cZ, <body style=`overflow:-Scroll;overflow-x:hidden`>
fr:RiOPn </body>
Yuh t<:` 两个都去掉?更简单了
5 {'%trDEy <body scroll="no">
y37n~~% </body>
]D(%Ku,O% HnU}Lhjzj 23.怎样去掉图片链接点击后,图片周围的虚线?
i7Y96] <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
^<ayPV)+ 8m-ryr) 24.电子邮件处理提交表单
a0y;c@pkO <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
hOw7"'# ! <input type=submit>
2<|+h=
& </form>
']4sx_)S |'1[\<MM3 25.在打开的子窗口刷新父窗口的代码里如何写?
whxE[Xnv window.opener.location.reload()
:?yv0Iu t0Ec`+) 26.如何设定打开页面的大小
1*(^<x+n <body onload="top.resizeTo(300,200);">
Qm ;ip E 打开页面的位置<body onload="top.moveBy(300,200);">
.Ml}cE$L ]cFqKs 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
RqH"+/wR <style>
e7 5*84 body
!QP~#a% {background-image:url(logo.gif); background-repeat:no-repeat;
2hu;N zFwp$K>{QY background-position:center;background-attachment: fixed}
P ,5P6Y9 </style>
@P[Tu; 4 [;#}BlbN 28. 检查一段字符串是否全由数字组成
mu|#(u <script language="javascript"><!--
obS|wTG~ function checkNum(str){return str.match(//D/)==null}
(CO8t~J= alert(checkNum("1232142141"
e9"<.:& alert(checkNum("123214214a1"
;o"}7'4*R% // --></script>
(g4.bbEm 1JJQ(b 29. 获得一个窗口的大小
#ZF|5r + document.body.clientWidth; document.body.clientHeight
lhJT& =Tb~CT= 30. 怎么判断是否是字符
?$
o9/9w if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
TfVB~"&