1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
]DGGcUk7 <table border oncontextmenu=return(false)><td>no</table> 可用于Table
C+T&O K*0aXr? 2. <body onselectstart="return false"> 取消选取、防止复制
jGJ.Pvc>i ;gdi=>S_ 3. onpaste="return false" 不准粘贴
S!u6dz^[$X
dD : 4. oncopy="return false;" oncut="return false;" 防止复制
T4Xtuu1 4,gol?a 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
=rtS#u
Y yi sF5`+ 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
x GwTk poTl|y @ 7. <input style="ime-mode:-Disabled"> 关闭输入法
bkxk
i@t ?rky6 8. 永远都会带着框架
]Jja <script language="javascript"><!--
vU ?b"n if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
GJ.kkTMT // --></script>
OiYNH~hv P\Ai|"=&] 9. 防止被人frame
~6\& y <SCRIPT LANGUAGE=javascript><!--
nMTLD if (top.location != self.location)top.location=self.location;
\FIa,5k8 // --></SCRIPT>
Gv!BB=ir( #4Dn@Gqh.Y 10. 网页将不能被另存为
|if~i;VKL <noscript><iframe src=*.html></iframe></noscript>
w:ORmR.p KuIBYaK,
g 11. <input type=button value=查看网页源代码
<j{0!J@: onclick="window.location = `view-source:`+
http://www.51js.com/`";>
w/?nUp lv=yz\ 12.删除时确认
X!HDj< <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
q-A`/9 fEx+gQW_ 除</a>
hN Z4v/ vsu@PuqH 13. 取得控件的绝对位置
x%_qJ]o //javascript
oNiToFbQu <script language="javascript">
: =
]sq}IN function getIE(E){
JmnBq<&,0 var t=e.offsetTop;
R)sp var l=e.offsetLeft;
3Ne9%" while(e=e.offsetParent){
i7i|370 t+=e.offsetTop;
#;wkr)) l+=e.offsetLeft;
\Oi5=, }
IOSuaLH^ alert("top="+t+"/nleft="+l);
k&MlQ2'!< }
?BWHr(J </script>
M(_^'3u BM|-GErE //VBScript
<QYCo1_ <script language="VBScript"><!--
FE0qw1{qQ function getIE()
HiQoRk dim t,l,a,b
l*F!~J3 set a=document.all.img1
HXD*zv@ *6 t=document.all.img1.offsetTop
#citwMW l=document.all.img1.offsetLeft
l,imT$u while a.tagName<>"BODY"
#]5&mKi set a = a.offsetParent
y%{*uH}SL t=t+a.offsetTop
qk_p}l-F1 l=l+a.offsetLeft
%GVEY wend
+^/Nil msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
R88(dEK end function
:5TXA --></script>
0ClX uAW*5 `[ 14. 光标是停在文本框文字的最后
u5u0*c <script language="javascript">
B, QC-Tn function cc()
A8_\2'b {
dH
^b)G4 var e = event.srcElement;
tqff84 var r =e.createTextRange();
`f\5p+!<7R r.moveStart(`character`,e.value.length);
=XZF.ur r.collapse(true);
R=][>\7]} r.select();
Qh)|FQ[s$r }
g`%ED0aR </script>
WHlD%u <input type=text name=text1 value="123" onfocus="cc()">
|#DC.Ga! O!#L#u53 15. 判断上一页的来源
\SYPu,ZT javascript:
&Iv\jhq
document.referrer
n;-x!Gs btUUZ"q< 16. 最小化、最大化、关闭窗口
""25ay <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
E[SV*1) <param name="Command" value="Minimize"></object>
4@/ q_*3o <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
H B::0l< <param name="Command" value="Maximize"></object>
sDzD
8as <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
W _PM!>8` <PARAM NAME="Command" value="Close"></OBJECT>
_9}x2uO~ m NUN6qVP~ <input type=button value=最小化 onclick=hh1.Click()>
~)!V8
<input type=button value=最大化 onclick=hh2.Click()>
?`vM#) <input type=button value=关闭 onclick=hh3.Click()>
*@-q@5r}! 本例适用于IE
9J-!o]f .b NDs]}5# 17.屏蔽功能键Shift,Alt,Ctrl
9 NGeh*` <script>
Z4wrXss~ function look(){
p%1xj2 ?nN if(event.shiftKey)
SXHru Z alert("禁止按Shift键!"; //可以换成ALT CTRL
tF#b&za }
s8f3i\1 document.onkeydown=look;
6T{o3wc; </script>
L]/\C{}k )rs|=M=Xk 18. 网页不会被缓存
dVj' <META HTTP-EQUIV="pragma" CONTENT="no-cache">
;JPbBwm <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
Lyf? V(S <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
hr~qt~Oi 或者<META HTTP-EQUIV="expires" CONTENT="0">
C*W.9 Rk437vQD, 19.怎样让表单没有凹凸感?
2;Y@3d:z <input type=text style="border:1 solid #000000">
[B2>*UPl 或
;qT!fuN; <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
By51dk7 }\`-G+i{W 1 solid #000000"></textarea>
Z3X&<Y5 /JK-}E 20.<div><span>&<layer>的区别?
/VhE<}OtH <div>(division)用来定义大段的页面元素,会产生转行
;EE&~&*w <span>用来定义同一行内的元素,跟<div>的唯一区别是不产生转行
wB1|r{ <layer>是ns的标记,ie不支持,相当于<div>
U&Sbm~Qi K=!ZI/+ju 21.让弹出窗口总是在最上面:
2-cU -i4 <body onblur="this.focus();">
ReHd~G9 RF,=bOr19 22.不要滚动条?
/QV. U.>G 让竖条没有:
SBN_>;$c5} <body style=`overflow:-Scroll;overflow-y:hidden`>
f}9PEpa,Z </body>
H/^TXqQ8 让横条没有:
lH,]ZA./ <body style=`overflow:-Scroll;overflow-x:hidden`>
+AgkPMy </body>
!"Oj$c
- 两个都去掉?更简单了
^?K?\ <body scroll="no">
2d>d(^ </body>
:YRzI(4J U!;aM*67 23.怎样去掉图片链接点击后,图片周围的虚线?
"dLMBY~ <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
lkSz7dr@ ,/w852|ub 24.电子邮件处理提交表单
[FAOp@7W <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
lE2wkY9^/ <input type=submit>
Oc"'ay(g </form>
:~0^ib<v; 9(N)MT5F 25.在打开的子窗口刷新父窗口的代码里如何写?
li3PR$W V window.opener.location.reload()
v'bd.eqw Sf4h!ly 26.如何设定打开页面的大小
) v[Knp' <body onload="top.resizeTo(300,200);">
{>UMw>T[ 打开页面的位置<body onload="top.moveBy(300,200);">
:m)Rmwn_ giSG 6'WA 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
?ck^? p7 <style>
1EAVMJ body
jy__Y=1} {background-image:url(logo.gif); background-repeat:no-repeat;
@E"+qPp.3 ;@7#w background-position:center;background-attachment: fixed}
p^zEfLTU </style>
d_WnK{ Wf`OyeRz 28. 检查一段字符串是否全由数字组成
LO$#DHPt <script language="javascript"><!--
Q:fUM[ function checkNum(str){return str.match(//D/)==null}
YP\4XI alert(checkNum("1232142141"
Xb+if alert(checkNum("123214214a1"
q/w6sQx$ // --></script>
T`w};]z^d2 *09\\
G 29. 获得一个窗口的大小
8O.:3%D~
t document.body.clientWidth; document.body.clientHeight
21/a3Mlx# GdfKxSO 30. 怎么判断是否是字符
'De'(I if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
m[xf./@f{ else alert("全是字符";
ZoNNM4M+ QkCoW[sn 31.TEXTAREA自适应文字行数的多少
*p#YK| <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
XvzV
lKL </textarea>