1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
{U
P_i2`. <table border oncontextmenu=return(false)><td>no</table> 可用于Table
v@,XinB[ ;qT5faKB3J 2. <body onselectstart="return false"> 取消选取、防止复制
3*\8p6G O<a3DyUa; 3. onpaste="return false" 不准粘贴
*eoq=,O -wIM0YJ 4. oncopy="return false;" oncut="return false;" 防止复制
F`D9Zfd B'/Icg.T 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
v|To+P6b D'?]yyrf 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
./)j5M 5@.zz"o.` 7. <input style="ime-mode:-Disabled"> 关闭输入法
T`mEO\f T Xl\hL\+ 8. 永远都会带着框架
/>!!ch <script language="javascript"><!--
'Ix5,^M}B if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
d5q4'6o, // --></script>
d'q;+jnP :b,o B==% 9. 防止被人frame
\
>(zunL <SCRIPT LANGUAGE=javascript><!--
&X7ttB"#h if (top.location != self.location)top.location=self.location;
}9FD/ // --></SCRIPT>
Obg@YIwn =jBL'|k5 10. 网页将不能被另存为
l^BEFk; <noscript><iframe src=*.html></iframe></noscript>
eAU"fu6d r)%4-XeV 11. <input type=button value=查看网页源代码
T*p|'Q` onclick="window.location = `view-source:`+
http://www.51js.com/`";>
1y(iE C =yo=q)W 12.删除时确认
Rgs3A)[`d/ <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
gBfX}EK7F 78^Y;2 P]W 除</a>
hxP6C6S 0ZFB4GL 13. 取得控件的绝对位置
7ia"u+Y //javascript
(J/>Gy)d <script language="javascript">
fyGCfM function getIE(E){
2;O c^ var t=e.offsetTop;
DwT i_8m; var l=e.offsetLeft;
?#U0eb5u while(e=e.offsetParent){
D@2Ya/c t+=e.offsetTop;
O&F<oM l+=e.offsetLeft;
}t}38%1i }
5~*=#v:` alert("top="+t+"/nleft="+l);
IOn`cbV: }
0%#t[usY </script>
,7QBJ_-;QJ a =9vS{ //VBScript
W&WB@)ie <script language="VBScript"><!--
J,MT^ B function getIE()
(tgEa{rPAP dim t,l,a,b
u2f `|+1^y set a=document.all.img1
IQo]9Lx t=document.all.img1.offsetTop
d5N)^\z l=document.all.img1.offsetLeft
`6dy
U_f while a.tagName<>"BODY"
aS3P(s L set a = a.offsetParent
X9p+a, t=t+a.offsetTop
}3bQ>whF l=l+a.offsetLeft
#tCIuQ, wend
?<-wHj) msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
4u7c7K>\Y end function
kOo>Iy --></script>
(D:KqGqoT Oz_b3r 14. 光标是停在文本框文字的最后
+>n.T <script language="javascript">
Iwnj'R7: function cc()
kO
/~i {
,^UcRZ8.H var e = event.srcElement;
bkJwP s var r =e.createTextRange();
ke{DFqh r.moveStart(`character`,e.value.length);
)G}sb*+v? r.collapse(true);
_SU,f> r.select();
Ubn }
(or =f` </script>
M'pY-/. <input type=text name=text1 value="123" onfocus="cc()">
@^w!% ?J R4hav 15. 判断上一页的来源
!pE>O-| K javascript:
"j*fVn document.referrer
D/+@d:- G S(q4OQB{ 16. 最小化、最大化、关闭窗口
p{('KE) <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
0j-F6a*p'1 <param name="Command" value="Minimize"></object>
ylo]`Nq <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
3hp
tP <param name="Command" value="Maximize"></object>
<v1_F;{n <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
M%nZu{ <PARAM NAME="Command" value="Close"></OBJECT>
=|DkD-
O $D0)j(v <input type=button value=最小化 onclick=hh1.Click()>
_rWTw+
L <input type=button value=最大化 onclick=hh2.Click()>
#t5JUi%in* <input type=button value=关闭 onclick=hh3.Click()>
0
/D5 本例适用于IE
>?:i6&4o 7KYF16A4 17.屏蔽功能键Shift,Alt,Ctrl
#,Fx@3y\a <script>
x<)!$cg function look(){
;NvhL|R if(event.shiftKey)
zmrX%!CW alert("禁止按Shift键!"; //可以换成ALT CTRL
Au\=ypK }
tPMgZ document.onkeydown=look;
Lt#:R\;& </script>
]xVL11p *(_ON$+3 18. 网页不会被缓存
|\{J`5gr <META HTTP-EQUIV="pragma" CONTENT="no-cache">
{#d`&] <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
\f<thd*bC <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
g
tSHy*3] 或者<META HTTP-EQUIV="expires" CONTENT="0">
0(.R?1*:Rf LT
y@6* 19.怎样让表单没有凹凸感?
P89Dg/P <input type=text style="border:1 solid #000000">
Jq=>H@il 或
Xl
'\krz <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
LXOF{FG & t @ 1 solid #000000"></textarea>
5,I*F9[3 '! 2 20.<div><span>&<layer>的区别?
:5qqu{GL <div>(division)用来定义大段的页面元素,会产生转行
Phjf$\pt <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
`;8u9Ff <layer>是ns的标记,ie不支持,相当于<div>
PhaQ3% fjzr8vU}C 21.让弹出窗口总是在最上面:
ABS
BtH ? <body onblur="this.focus();">
d#$i/&gE {pi67"mYp 22.不要滚动条?
8Gzs 让竖条没有:
19.!$; <body style=`overflow:-Scroll;overflow-y:hidden`>
S@rsQ@PA </body>
bB[*\ 让横条没有:
KfI$'F
#"/ <body style=`overflow:-Scroll;overflow-x:hidden`>
trNK9@wT) </body>
aWi]t'_ 两个都去掉?更简单了
\c`r9H^v{ <body scroll="no">
F$pd]F!# </body>
aABE= 9Y RM=+ZmA 23.怎样去掉图片链接点击后,图片周围的虚线?
nD{;4$xP` <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
6T
aT_29 ^a0-5 24.电子邮件处理提交表单
#._6lESK <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
(/UMi,Ho <input type=submit>
Kps
GQM </form>
lKD< b|C,b"$N0 25.在打开的子窗口刷新父窗口的代码里如何写?
XdXS^QA.s window.opener.location.reload()
^i,0n}> F[qIfh4
26.如何设定打开页面的大小
YuZ
<body onload="top.resizeTo(300,200);">
C{Xk/Er5< 打开页面的位置<body onload="top.moveBy(300,200);">
*d*;M> Q\th8/ / 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
'm.XmVZL% <style>
t7`Pw33#kY body
a!]QD` {background-image:url(logo.gif); background-repeat:no-repeat;
'/)_{Ly +,w|&y background-position:center;background-attachment: fixed}
iZqFVr&JF </style>
o+WrIAR .A f)y_ 28. 检查一段字符串是否全由数字组成
YSUH*i/% <script language="javascript"><!--
pzp"NKxi function checkNum(str){return str.match(//D/)==null}
J##X5'a3* alert(checkNum("1232142141"
'S-"*:$,u alert(checkNum("123214214a1"
}qX&*DU_@ // --></script>
74N\G1 rnrx%Q 29. 获得一个窗口的大小
`e69kBAm document.body.clientWidth; document.body.clientHeight
MrjB[3Td kj"_Y"q= 30. 怎么判断是否是字符
WX$^[^=HC if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
544I#! else alert("全是字符";
u+T, n
SCC/
<o 31.TEXTAREA自适应文字行数的多少
$ }bC$?^ <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
_|#|mb4Fe </textarea>