1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
BEzF'<Z <table border oncontextmenu=return(false)><td>no</table> 可用于Table
zU9G:jH I(dMiL 2. <body onselectstart="return false"> 取消选取、防止复制
Z)zWfv} ~agzp`!M 3. onpaste="return false" 不准粘贴
^{T3lQvt ]'F{uDm[ 4. oncopy="return false;" oncut="return false;" 防止复制
5Go&+|c vJ 'MHbXFM 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
''f07R L@|W&N;%a 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
N@>,gm@UU +)Pv6Zog[ 7. <input style="ime-mode:-Disabled"> 关闭输入法
}'KVi=qnHb VBIY[2zf 8. 永远都会带着框架
x^|J- <script language="javascript"><!--
e:Zc- if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
0pS|t/h0 // --></script>
]r{-K63P{! lr[a~ca\ 9. 防止被人frame
w$cic <SCRIPT LANGUAGE=javascript><!--
xPY/J#X$ if (top.location != self.location)top.location=self.location;
0omg%1vt<A // --></SCRIPT>
!ACWv*pW <ealt 10. 网页将不能被另存为
K`nI$l7hg <noscript><iframe src=*.html></iframe></noscript>
j3bTa|UdT [9WtoA,kx 11. <input type=button value=查看网页源代码
6.Nu[-? onclick="window.location = `view-source:`+
http://www.51js.com/`";>
>a;^=5E h7-!q@ 12.删除时确认
IwIk;pB O <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
.Y%)& nL+*-R!R 除</a>
$S Q8,Y, bN$!G9I!, 13. 取得控件的绝对位置
rdsm
/^,s //javascript
$Gs&'
yR <script language="javascript">
n2Oi< ) function getIE(E){
HN\Zrb var t=e.offsetTop;
-}m#uUqI var l=e.offsetLeft;
4'W| '4'b while(e=e.offsetParent){
p1Q[c0NMK t+=e.offsetTop;
nBd!296 l+=e.offsetLeft;
u,
%mVd }
X3DXEeBEL alert("top="+t+"/nleft="+l);
.F0V }
_XtLO-D </script>
_=1SR\ hv'~S //VBScript
.#uRJo%8 <script language="VBScript"><!--
:5G3uN+\ function getIE()
xQ62V11R6 dim t,l,a,b
8{HeHU set a=document.all.img1
/LM*nN$% t=document.all.img1.offsetTop
5r<%xanXW/ l=document.all.img1.offsetLeft
Sq&*K9:z while a.tagName<>"BODY"
H(ht{.sjI set a = a.offsetParent
)EYsqj t=t+a.offsetTop
(XJehdB0 l=l+a.offsetLeft
I?v)>||Q wend
0Ng6Xg(QHc msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
Bo?uwi end function
.*>LD --></script>
OE-$P N:!XtYA< 14. 光标是停在文本框文字的最后
BJk:h-m [ <script language="javascript">
Jp.Sow function cc()
/>XfK,c- {
"_ b
Sy var e = event.srcElement;
PNXZ 3:W var r =e.createTextRange();
J.:"yK"" r.moveStart(`character`,e.value.length);
>\K<q>* r.collapse(true);
/d5_-AB(v r.select();
a\\B88iRRZ }
kwdmw_ </script>
^ 3LM%B <input type=text name=text1 value="123" onfocus="cc()">
xTX\%s| $"T1W=;j9 15. 判断上一页的来源
EA2BN} javascript:
S(5.y%"< document.referrer
iYA06~d [kzcsJ'/e 16. 最小化、最大化、关闭窗口
$nQ; ++ <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
Q{!lLka <param name="Command" value="Minimize"></object>
M}}9 <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
3O<<XXar <param name="Command" value="Maximize"></object>
{o7ibw=E) <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
geWis(#J <PARAM NAME="Command" value="Close"></OBJECT>
=/J4(#Xb z.eqOPW <input type=button value=最小化 onclick=hh1.Click()>
/`0*!sN*5 <input type=button value=最大化 onclick=hh2.Click()>
AqvRzi(Y <input type=button value=关闭 onclick=hh3.Click()>
?V#%^ 57p 本例适用于IE
a=gTGG"9 &Z5$
5,[ 17.屏蔽功能键Shift,Alt,Ctrl
0G9@A8LU <script>
B4R!V!Z* function look(){
'g#Ml`cm if(event.shiftKey)
Wt"@?#L alert("禁止按Shift键!"; //可以换成ALT CTRL
n.67f }
iwCnW7: document.onkeydown=look;
Eszwg </script>
[9a0J):w{ bOux8OHt* 18. 网页不会被缓存
oo3ZYA <META HTTP-EQUIV="pragma" CONTENT="no-cache">
$} l0Nh'Eu <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
j DcE_55o <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
b,7:=-D 或者<META HTTP-EQUIV="expires" CONTENT="0">
N{iBVl p*W4^2(d 19.怎样让表单没有凹凸感?
5JDqSz{ <input type=text style="border:1 solid #000000">
{g l-tRC3 或
][ :6En} <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
J$&!Y[0 ]1%H.pF 1 solid #000000"></textarea>
}f^r@3Cb3 `8\pihww 20.<div><span>&<layer>的区别?
@fT*fv
<div>(division)用来定义大段的页面元素,会产生转行
p{!aRB% <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
NaG1j+LN <layer>是ns的标记,ie不支持,相当于<div>
(iGk]Rtzt v*QobI 21.让弹出窗口总是在最上面:
G-Z_pGer^ <body onblur="this.focus();">
1QE-[| l},*^Sn<5 22.不要滚动条?
Q <^'v>~n 让竖条没有:
d#I'9O0& <body style=`overflow:-Scroll;overflow-y:hidden`>
k$}XZ,Q </body>
O?D*<rwD 让横条没有:
kJ>l,AD/ <body style=`overflow:-Scroll;overflow-x:hidden`>
X6!u(plVQ </body>
*FR
Eh@R 两个都去掉?更简单了
}k
duN0 <body scroll="no">
C>N)~Ut </body>
9fvy)kX;s ;38DB o 23.怎样去掉图片链接点击后,图片周围的虚线?
h(] O;a- <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
nWbe=z&y8[ 0Apdhwk~ 24.电子邮件处理提交表单
@pY AqX2 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
+uKlg#wqc <input type=submit>
:74^? </form>
@8|- C rYeFYPS 25.在打开的子窗口刷新父窗口的代码里如何写?
rcq(p(! window.opener.location.reload()
g$?B!!qT s41<e" 26.如何设定打开页面的大小
"2
ma]Ps <body onload="top.resizeTo(300,200);">
R"!.|fH6 打开页面的位置<body onload="top.moveBy(300,200);">
/%$'N$@f Cq u/(= 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
U[c,cdA <style>
x<P$$G/ body
s8{3~ Hv {background-image:url(logo.gif); background-repeat:no-repeat;
c 3 P -#Yg B5 background-position:center;background-attachment: fixed}
9O?.0L </style>
/^DDU!=(< Vg\EAs>f 28. 检查一段字符串是否全由数字组成
M=x/PrY"R <script language="javascript"><!--
pJVzT,poh function checkNum(str){return str.match(//D/)==null}
^;c!)0Q<Z alert(checkNum("1232142141"
%@G<B alert(checkNum("123214214a1"
*@dRL3c^= // --></script>
4kT| /bp hqFK2
lR 29. 获得一个窗口的大小
G|'DAj% document.body.clientWidth; document.body.clientHeight
'+Gt+Gq+ '- 4);:(^ 30. 怎么判断是否是字符
N3MMxm_u if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
^;<s"TJ(m) else alert("全是字符";
ZBdZr $9+}$lpPd 31.TEXTAREA自适应文字行数的多少
vy[*xT] <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
^EjZ.#2l; </textarea>