1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
6+/BYN!&4 <table border oncontextmenu=return(false)><td>no</table> 可用于Table
V|)nUsU Y2W{?<99 2. <body onselectstart="return false"> 取消选取、防止复制
#B5-3CwB 1AQ3< 3. onpaste="return false" 不准粘贴
I]Ws
9#1Jie$ 4. oncopy="return false;" oncut="return false;" 防止复制
2`A\'SM'4 AA5UOg\jI 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
Bpp(5 +pxtar 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
c/}-pZn< nU/x,W[} 7. <input style="ime-mode:-Disabled"> 关闭输入法
|?\2F p4@0Dz`Q 8. 永远都会带着框架
;CDa*(e <script language="javascript"><!--
LfMN 'Cb if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
`=E4J2" // --></script>
Erm]uI9` ZJV;&[$[ 9. 防止被人frame
+\RviF[+ <SCRIPT LANGUAGE=javascript><!--
V(M7d>N5G if (top.location != self.location)top.location=self.location;
&IP`j~b // --></SCRIPT>
Dv}VmC"" l} W">
yQ0 10. 网页将不能被另存为
$d
Nmq <noscript><iframe src=*.html></iframe></noscript>
Q&vU|y 6\RZ[gA? 11. <input type=button value=查看网页源代码
o$Z]qhq onclick="window.location = `view-source:`+
http://www.51js.com/`";>
P.3kcZ TRFza}4:i 12.删除时确认
$?y\3GX <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
uo3o[H gH/(4h 除</a>
OySn[4`(i /J!~0~F 13. 取得控件的绝对位置
{4r } jH //javascript
TE-(Zil\ <script language="javascript">
v,c;dlg_ function getIE(E){
Vkl]&mYRz var t=e.offsetTop;
rQ)I var l=e.offsetLeft;
:8Ugz ~i while(e=e.offsetParent){
m0 ]Lc{ t+=e.offsetTop;
t8uaNvUM}e l+=e.offsetLeft;
6OZn7:)Y }
R]NCD*~ alert("top="+t+"/nleft="+l);
!-tVt
D }
!=]cASPGD </script>
CJt(c,!z E+P-)bRa //VBScript
QLb!e"C <script language="VBScript"><!--
95*=&d function getIE()
i}~U/.P
dim t,l,a,b
\N.Bx
set a=document.all.img1
'h>CgR^NM1 t=document.all.img1.offsetTop
?zK\!r{ l=document.all.img1.offsetLeft
)|
F O> while a.tagName<>"BODY"
a.up&g_$
set a = a.offsetParent
&,'CHBM t=t+a.offsetTop
1WAps#b. l=l+a.offsetLeft
MZ_dI"J, wend
8[x{]l[ msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
rGQY end function
v4r%'bA --></script>
.`^wRpa2M i*e'eZ;) 14. 光标是停在文本框文字的最后
Dj{=Y`Tw <script language="javascript">
4#ZZwa]y function cc()
{
P @mAw {
6f&qtJQ<A var e = event.srcElement;
G],W{<Pe var r =e.createTextRange();
|t_SN,)dd r.moveStart(`character`,e.value.length);
m5lTf r.collapse(true);
sK7b4gmK r.select();
,R=)^Gh{ }
>Dq&[9,8 </script>
~X,ZZ 9H <input type=text name=text1 value="123" onfocus="cc()">
Ki\J)l )b-KF}]d 15. 判断上一页的来源
gCaxZ~o javascript:
nQd~i0`vB document.referrer
gqDSHFm: T*rz#O 16. 最小化、最大化、关闭窗口
DS=Dg@y <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
B1 xlWdm <param name="Command" value="Minimize"></object>
?'^yw C` <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
dyt.(2 <param name="Command" value="Maximize"></object>
]>,Lw=_[_ <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
,Ofou8C6 <PARAM NAME="Command" value="Close"></OBJECT>
trlZ ML7qrc;Rx <input type=button value=最小化 onclick=hh1.Click()>
d8VFa'| <input type=button value=最大化 onclick=hh2.Click()>
h%! ,|[| <input type=button value=关闭 onclick=hh3.Click()>
-Hg,:re2 本例适用于IE
gCM(h[7A m,r>E%;Cj 17.屏蔽功能键Shift,Alt,Ctrl
*P+8^t#Vp <script>
[ip}f4K function look(){
TchByN6oN< if(event.shiftKey)
z*`nfTw l alert("禁止按Shift键!"; //可以换成ALT CTRL
-o YJ&r }
Z"E2ZSa0 document.onkeydown=look;
c@{M),C~E </script>
C0;:")6~ BHDd^bd 18. 网页不会被缓存
CFG(4IMx <META HTTP-EQUIV="pragma" CONTENT="no-cache">
tTPjCl <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
I~25}(IDZ" <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
]GXE2A_i; 或者<META HTTP-EQUIV="expires" CONTENT="0">
|?ma? K&;/hdS=F 19.怎样让表单没有凹凸感?
V(OD^GU <input type=text style="border:1 solid #000000">
nOK1Wc%/' 或
^o Q^/v~ <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
bqRO-\vO L4{+@T1A[ 1 solid #000000"></textarea>
1V;,ZGI* ]9~6lx3/ 20.<div><span>&<layer>的区别?
7QHrb'c <div>(division)用来定义大段的页面元素,会产生转行
|],ocAN{ <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
jiP^Hz"e
<layer>是ns的标记,ie不支持,相当于<div>
eI+p #w;%{C[D 21.让弹出窗口总是在最上面:
>/y+;<MZ <body onblur="this.focus();">
ig4mj47wJ /0 86qB| 22.不要滚动条?
[wcp2g3Px 让竖条没有:
;D}E/'= <body style=`overflow:-Scroll;overflow-y:hidden`>
w>&g' </body>
RNb" O{3 让横条没有:
=p&uQ6.i+ <body style=`overflow:-Scroll;overflow-x:hidden`>
1qh SN#s{_ </body>
Q&e*[l2M6 两个都去掉?更简单了
>0I\w$L <body scroll="no">
:6W* ;<o </body>
>{#QS"J# zOMU&;.\
23.怎样去掉图片链接点击后,图片周围的虚线?
nw <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
@!%HEs!# # h
F *c 24.电子邮件处理提交表单
A'T: \Wl <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
en29<#8TO <input type=submit>
{r1}ACw{ </form>
UKf0cU Ia-nA|LBxI 25.在打开的子窗口刷新父窗口的代码里如何写?
z&Lcl{<MA window.opener.location.reload()
>{k0N@_ F"t.ND 26.如何设定打开页面的大小
]/od p/jm <body onload="top.resizeTo(300,200);">
9/6=[) 打开页面的位置<body onload="top.moveBy(300,200);">
{@>6E8)H5 nH|7XY9" 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
%Q|Hvjk=E <style>
lM[FT=M body
1^ y^b{ {background-image:url(logo.gif); background-repeat:no-repeat;
^4{"h myDcr|j-a background-position:center;background-attachment: fixed}
8J8@0 </style>
~ P!%i9e_ 8Xz \,}$O 28. 检查一段字符串是否全由数字组成
(r"2XXR <script language="javascript"><!--
r*t\F&D function checkNum(str){return str.match(//D/)==null}
@+!u{ alert(checkNum("1232142141"
f9La79v alert(checkNum("123214214a1"
E,7b=t // --></script>
cGS7s 8U B^"1V{M 29. 获得一个窗口的大小
p$l'y""i document.body.clientWidth; document.body.clientHeight
xoN?[ 2Z*^)ZQB 30. 怎么判断是否是字符
4!DXj0^ if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
6_O3/ else alert("全是字符";
3zo:)N \K !Q5NV4gd+ 31.TEXTAREA自适应文字行数的多少
| gP%8nh'C <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
+%LR1+/%b </textarea>