1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
]c%yib <table border oncontextmenu=return(false)><td>no</table> 可用于Table
G41 gil6k 0 UdAF 2. <body onselectstart="return false"> 取消选取、防止复制
R1 u1 `&]<_Jc1 3. onpaste="return false" 不准粘贴
4
qMO@E_ X~wkqI#d%E 4. oncopy="return false;" oncut="return false;" 防止复制
0EiURVX SUwSZ@l^| 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
r6k0=6i szW_cjS 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
p(dJf&D _' KJ:3e 7. <input style="ime-mode:-Disabled"> 关闭输入法
) inhPd l,5<g-r
V 8. 永远都会带着框架
X-,scm <script language="javascript"><!--
7 $AEh+f if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
V8AF;1c?-' // --></script>
2
|lm'Hf J?4aSssE 9. 防止被人frame
V }<Hx3! <SCRIPT LANGUAGE=javascript><!--
~a@O1MB if (top.location != self.location)top.location=self.location;
IRy!8A=X // --></SCRIPT>
)c~1s TTB1}j+V6 10. 网页将不能被另存为
&+F|v(|r <noscript><iframe src=*.html></iframe></noscript>
m2&"}bI{ 7g@P$e] 11. <input type=button value=查看网页源代码
W[B%,Km%] onclick="window.location = `view-source:`+
http://www.51js.com/`";>
bMWL^ *I i"|="O0v5 12.删除时确认
&.XYI3Ab1 <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
=fA*b $r0~&$T& 除</a>
ch2Q k8 NR3]MGBKv 13. 取得控件的绝对位置
xRum q //javascript
XP#j9CF#. <script language="javascript">
Hj&mwn] function getIE(E){
^@W98_bd; var t=e.offsetTop;
-"*UICd var l=e.offsetLeft;
0Vu&UD while(e=e.offsetParent){
mDJF5I t+=e.offsetTop;
)C>4?) l+=e.offsetLeft;
r2:n
wlG }
E+XpgR5 alert("top="+t+"/nleft="+l);
&+t! LM }
WSA;p=_ </script>
FFE IsB"9 V?KACYd@O //VBScript
MF+J3) <script language="VBScript"><!--
M9mC\Iz[ function getIE()
%3v:c|r dim t,l,a,b
$@
/K/" set a=document.all.img1
(W*~3/@D t=document.all.img1.offsetTop
'2`MT- l=document.all.img1.offsetLeft
?_S f while a.tagName<>"BODY"
w-~u[c set a = a.offsetParent
bj6-0` t=t+a.offsetTop
?sF<L/P0
F l=l+a.offsetLeft
\etuIFQ#U wend
%;5AF8# c msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
V0'T) end function
~( %TQY5 --></script>
"BN-Jvb7q hg8gB8Xq 14. 光标是停在文本框文字的最后
z$'_ =9yZ <script language="javascript">
:H}a/ x*ur function cc()
o+U]=q*|)$ {
1UR;} var e = event.srcElement;
OKDBzl var r =e.createTextRange();
^:JZ.r r.moveStart(`character`,e.value.length);
$@8$_g|Wz r.collapse(true);
h-"c
)?p r.select();
m%8idjnG }
tx-HY<
</script>
JN5<=x5r <input type=text name=text1 value="123" onfocus="cc()">
{?-@`FR- D@[Mk"f 15. 判断上一页的来源
C %l!"s^ javascript:
y@&Cn document.referrer
Z,'#=K 3U#z {% 16. 最小化、最大化、关闭窗口
wKe$(>d"L <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
}*+?1kv <param name="Command" value="Minimize"></object>
=ytB\e <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
K]mR9$/ <param name="Command" value="Maximize"></object>
U1&pcwP <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
7%aaqQ1T <PARAM NAME="Command" value="Close"></OBJECT>
e=b>:n ?y( D_Nt L <input type=button value=最小化 onclick=hh1.Click()>
5B+>28G% <input type=button value=最大化 onclick=hh2.Click()>
l#8SlRji <input type=button value=关闭 onclick=hh3.Click()>
2t h\% 本例适用于IE
hr%O 4&sa "zSi9]j 17.屏蔽功能键Shift,Alt,Ctrl
YmP`Gg#>p <script>
WB S~e function look(){
Vmj7`w& if(event.shiftKey)
(<?6X9F:N alert("禁止按Shift键!"; //可以换成ALT CTRL
cnm&oC 6 }
:[#g_*G@p document.onkeydown=look;
+dWx?$n </script>
\I
r&&% z@E-pYV 18. 网页不会被缓存
K/;FP'. <META HTTP-EQUIV="pragma" CONTENT="no-cache">
t7 |uZHKK <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
J 00<NRxj" <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
FYIzMp.4 或者<META HTTP-EQUIV="expires" CONTENT="0">
x\ieWF1 %-? :'F!1 19.怎样让表单没有凹凸感?
y74Ph:^k <input type=text style="border:1 solid #000000">
Tjo
K]] 或
+^% y&8e <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
=j[zMO sW)C6 # 1 solid #000000"></textarea>
d4c-(ZRl HC,YmO:df" 20.<div><span>&<layer>的区别?
0RY{y n3 <div>(division)用来定义大段的页面元素,会产生转行
ajIgL<x <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
@DgJxY| <layer>是ns的标记,ie不支持,相当于<div>
p"4i(CWGS HA%%WSuf 21.让弹出窗口总是在最上面:
b#h?O} <body onblur="this.focus();">
\tFg10 $Xf1|!W%a% 22.不要滚动条?
=PXQX(_ 让竖条没有:
j&(2ze:=*$ <body style=`overflow:-Scroll;overflow-y:hidden`>
JlAUie8 </body>
t59"[kQ 让横条没有:
%V-\ |cw <body style=`overflow:-Scroll;overflow-x:hidden`>
`{fqnNJE </body>
Y%9S4be 两个都去掉?更简单了
O[Xl*9P <body scroll="no">
bX#IE[Yp} </body>
0;z-I"N E@\e37e 23.怎样去掉图片链接点击后,图片周围的虚线?
")|3ZB7>* <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
UF)rBAv(/ LO@.aJpp
24.电子邮件处理提交表单
<1[W Nj2[ <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
i:`ur <input type=submit>
'Im7^!-d </form>
Tyu]14L QjETu 25.在打开的子窗口刷新父窗口的代码里如何写?
<)y44x|S' window.opener.location.reload()
wsp&U
.z xB{0lI 26.如何设定打开页面的大小
lTe}[@( <body onload="top.resizeTo(300,200);">
]T\K-;i 打开页面的位置<body onload="top.moveBy(300,200);">
24{!j[,q@ j"o`K}C 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:Q)-|, <style>
0gPz|v>z body
jI@0jxF {background-image:url(logo.gif); background-repeat:no-repeat;
y
XZZ)i_ >T{9-_#P background-position:center;background-attachment: fixed}
8[(eV. </style>
DUf=\p6`f u2K{3+r`' 28. 检查一段字符串是否全由数字组成
=O~1L m; <script language="javascript"><!--
%Qc#v$;+J function checkNum(str){return str.match(//D/)==null}
7k{Oae\$ alert(checkNum("1232142141"
b?7?iV4 alert(checkNum("123214214a1"
2|F.J G^ // --></script>
8r / ]Q &,+G} 29. 获得一个窗口的大小
P8!Vcy938 document.body.clientWidth; document.body.clientHeight
FT73P0!8. `),7*gn*) 30. 怎么判断是否是字符
AbUPJF"F if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
e:{v.C0ez else alert("全是字符";
XG
]yfux` *A2J[,?c 31.TEXTAREA自适应文字行数的多少
,(Fo%.j <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
%@q52ZQ </textarea>