1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
$tm%=g^ <table border oncontextmenu=return(false)><td>no</table> 可用于Table
c2E*A+V#u S Lsw '< 2. <body onselectstart="return false"> 取消选取、防止复制
kMS&"/z Q{K'# 3. onpaste="return false" 不准粘贴
O%m\
Q1 "39\@Ow 4. oncopy="return false;" oncut="return false;" 防止复制
AT{rg/oSf MJ.K,e 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
nXRT%[o& \5
S^~(iL 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
c;6[lv Nv[MU@Tv 7. <input style="ime-mode:-Disabled"> 关闭输入法
=%=lq0GF0 70Z#Ej 8. 永远都会带着框架
/BN_K8nb` <script language="javascript"><!--
fex<9'e if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
> a?K![R // --></script>
'r0kX|| @'AjEl:&-_ 9. 防止被人frame
ojva~mnFf <SCRIPT LANGUAGE=javascript><!--
+`RQ^9 if (top.location != self.location)top.location=self.location;
3u,C I! // --></SCRIPT>
\>]C 4it^-M 10. 网页将不能被另存为
w!kWG,{C <noscript><iframe src=*.html></iframe></noscript>
x9!3i{_ {r>iUgg 11. <input type=button value=查看网页源代码
|43dyJW onclick="window.location = `view-source:`+
http://www.51js.com/`";>
z?3t^UPW :HiAjaA1pg 12.删除时确认
'-KYeT\; <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
14DHU 5Q$.q&, 除</a>
T9'd?nw9 a
+$'ULK+r 13. 取得控件的绝对位置
|O';$a1S //javascript
"ZYdJHM <script language="javascript">
sF4+(9 = function getIE(E){
*Ei(BrL/; var t=e.offsetTop;
^Ay>%`hf* var l=e.offsetLeft;
m%s&$ while(e=e.offsetParent){
c>b!{e@* t+=e.offsetTop;
4roqD;5|~| l+=e.offsetLeft;
eJ
;a}{ 4% }
FL|\D alert("top="+t+"/nleft="+l);
MW|*Z{6* }
$p;<1+! </script>
:3N&&] p!Xn iY //VBScript
P]^BE;7T <script language="VBScript"><!--
YZdV0-S function getIE()
(~IoRhp^ dim t,l,a,b
,L&d\M"f set a=document.all.img1
$o%:ST4 t=document.all.img1.offsetTop
CK=TD`$w l=document.all.img1.offsetLeft
UKpc3Jo:~ while a.tagName<>"BODY"
.+d.~jHX set a = a.offsetParent
'c/S$_r t=t+a.offsetTop
k}&7!G@T l=l+a.offsetLeft
fMm.V=/+ wend
=pk5'hBAi msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
p6c&vEsNj end function
W/@-i|v --></script>
Kt5k_9 f`vu+nw 14. 光标是停在文本框文字的最后
/$'|`jKsB <script language="javascript">
M 8NWQ^Y function cc()
4.e0k<]N` {
%y|L'C,ge" var e = event.srcElement;
MLT^7'y var r =e.createTextRange();
UP .4# 1I r.moveStart(`character`,e.value.length);
X#Sgf|$ r.collapse(true);
0&$,?CL?
r.select();
I83 _x|$FZ }
5<$8.a# </script>
=9!|%j <input type=text name=text1 value="123" onfocus="cc()">
93VbB[w~7F `8lS)R! 15. 判断上一页的来源
w.o>G2u javascript:
K6EG"Vv! document.referrer
@#QaaR;4 `e[>S 16. 最小化、最大化、关闭窗口
<Toy8-kj <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
6>NK2} ` <param name="Command" value="Minimize"></object>
){I!orQ <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
q@&6&cd <param name="Command" value="Maximize"></object>
-T=sY/O <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
{2.zzev' <PARAM NAME="Command" value="Close"></OBJECT>
OK" fFv ?1.WF}X' <input type=button value=最小化 onclick=hh1.Click()>
7CwQmVe+ <input type=button value=最大化 onclick=hh2.Click()>
Ib(G!oO:E- <input type=button value=关闭 onclick=hh3.Click()>
92(P~Sdv 本例适用于IE
n@$("p ^xX1G_{ 17.屏蔽功能键Shift,Alt,Ctrl
N;` jz(r <script>
)#l&BV5 function look(){
-P:o ^_)g if(event.shiftKey)
S;^'Ek"Z. alert("禁止按Shift键!"; //可以换成ALT CTRL
@%"r69\ }
@j<Q2z^ document.onkeydown=look;
{\vcwMUzZ </script>
L_sDbAT~< R~"&E#C 18. 网页不会被缓存
-q30tO. <META HTTP-EQUIV="pragma" CONTENT="no-cache">
hS'!JAM>Q <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
pEp$J;
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
0.kC| 或者<META HTTP-EQUIV="expires" CONTENT="0">
^AF~k#R G{74o8 19.怎样让表单没有凹凸感?
.
e_VPKF| <input type=text style="border:1 solid #000000">
s4`,Z*H 或
:MihVL F <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
~%L=<TBAc ?mHu eX 1 solid #000000"></textarea>
{BY(zsl %n^ugm0B 20.<div><span>&<layer>的区别?
*.
1S
<div>(division)用来定义大段的页面元素,会产生转行
LeV";=_n <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
7/zaf <layer>是ns的标记,ie不支持,相当于<div>
k&9[}a* 0at['zw 21.让弹出窗口总是在最上面:
sSy!mtS <body onblur="this.focus();">
}R!t/8K Ou`;HN;[ 22.不要滚动条?
4I8QM&7 让竖条没有:
wvmcD% <body style=`overflow:-Scroll;overflow-y:hidden`>
w0X})&,{`m </body>
FQ"ED:lks 让横条没有:
= N^Ec[u(l <body style=`overflow:-Scroll;overflow-x:hidden`>
~gdnD4[G </body>
? sv[vR( 两个都去掉?更简单了
a+^,EY <body scroll="no">
9@8'*a{`m </body>
WP{U9YF2 9aBz%* xo 23.怎样去掉图片链接点击后,图片周围的虚线?
Qp9QSyMs} <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
8Z CR9% b}&.IJ&40j 24.电子邮件处理提交表单
eD|"?@cE <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
!u;gGgQF <input type=submit>
3 MCV?"0 </form>
${e5Ka hmB`+?,z* 25.在打开的子窗口刷新父窗口的代码里如何写?
3BSZz%va window.opener.location.reload()
}wZsM[NDB :_|Xr'n`A 26.如何设定打开页面的大小
ojyP.R <body onload="top.resizeTo(300,200);">
d&lT/S 打开页面的位置<body onload="top.moveBy(300,200);">
pJJOy lNz1|nS(Kd 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
udS&$/&GH <style>
y&V%xE/ body
Ept=&mJPu {background-image:url(logo.gif); background-repeat:no-repeat;
^CK
D[s hU3sEOm> background-position:center;background-attachment: fixed}
:F_>`{ </style>
'~VF*i^4 6_&S
?yA 28. 检查一段字符串是否全由数字组成
"E@A~<RKP <script language="javascript"><!--
z31g" function checkNum(str){return str.match(//D/)==null}
=zTpDL alert(checkNum("1232142141"
6rM{r> alert(checkNum("123214214a1"
mQ9y{}t=4 // --></script>
LrT?
]o mV0u:ws
29. 获得一个窗口的大小
7x]q>Y8T document.body.clientWidth; document.body.clientHeight
r4ljA@L u2OrH3E4E3 30. 怎么判断是否是字符
L|nFN}da if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
?Y 5Vje[^ else alert("全是字符";
NHcA6y$Cz J+TtM> 31.TEXTAREA自适应文字行数的多少
-p"}K~lt: <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
NiMsAI@j </textarea>