1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
+i>q;=~ <table border oncontextmenu=return(false)><td>no</table> 可用于Table
P8VU&b\ `l+SJLyJ% 2. <body onselectstart="return false"> 取消选取、防止复制
LX fiSM{o Ww(_EW 3. onpaste="return false" 不准粘贴
%pp+V1FH ~?&ijhZ 4. oncopy="return false;" oncut="return false;" 防止复制
G'py)C5; w?tKL0c 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
o/zCXZnw# X2uX+}h*tA 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
0l=}v%D EC~t'v 7. <input style="ime-mode:-Disabled"> 关闭输入法
JB(;[# '~ R,\
r{@yrz 8. 永远都会带着框架
0c5_L6_z <script language="javascript"><!--
V3o AZ34) if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
1 ~7_! // --></script>
C#~MR+; `aUp&8{ 9. 防止被人frame
@,MdvR+a <SCRIPT LANGUAGE=javascript><!--
Vd0GTpB?1 if (top.location != self.location)top.location=self.location;
qj6`nbZ{va // --></SCRIPT>
1pb;A;F,A 0uz"}v) 10. 网页将不能被另存为
ffM(il/2 <noscript><iframe src=*.html></iframe></noscript>
5G<CDgl^! 4cQ5E9 11. <input type=button value=查看网页源代码
{Pb^Lf > onclick="window.location = `view-source:`+
http://www.51js.com/`";>
Flxo%g}; `0^i
# 12.删除时确认
Ng"vBycy <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
i-?zwVmn RNdnlD#P 除</a>
y2R=%EFh6 j1F+, 13. 取得控件的绝对位置
%-l:_A //javascript
|&Pl 4P <script language="javascript">
OD]J@m function getIE(E){
BB.TrQM.# var t=e.offsetTop;
a+/|O*># var l=e.offsetLeft;
X6.O; while(e=e.offsetParent){
\`zG`f t+=e.offsetTop;
w4'K2 7 l+=e.offsetLeft;
fqb$_>3Ol }
f4S@lyYF alert("top="+t+"/nleft="+l);
2mZ/
3u }
C):d9OI? </script>
y^=oYL @WHd(ka! //VBScript
5S]P#8 <script language="VBScript"><!--
H040-Q;S' function getIE()
:
xZC7" dim t,l,a,b
aELT"b,x set a=document.all.img1
SSLshY~d t=document.all.img1.offsetTop
^qx\ e$R l=document.all.img1.offsetLeft
a{*'pY(R0$ while a.tagName<>"BODY"
g&TCff set a = a.offsetParent
z,|%?
1
t=t+a.offsetTop
E ZKz-} l=l+a.offsetLeft
r$FM8$cJ wend
z[%v_S msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
|V\.[F2Fe end function
*'YNRM\} --></script>
o'7ju~0L #L.}CzAz 14. 光标是停在文本框文字的最后
!2|`aa <script language="javascript">
%GbPrlu function cc()
5vi#ItN}| {
0juIkN# var e = event.srcElement;
,R}KcZG) var r =e.createTextRange();
"IG$VjgcB r.moveStart(`character`,e.value.length);
mzxvfXSF r.collapse(true);
iT5SuIv r.select();
\~t~R q }
M5kHD]b </script>
)ek 5 <input type=text name=text1 value="123" onfocus="cc()">
aRKRy o:DBOpS 15. 判断上一页的来源
DD 5EHJR javascript:
Gu`Vk/& document.referrer
**r? k^5Rf 16. 最小化、最大化、关闭窗口
""'eTpe <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
2{kfbm-89t <param name="Command" value="Minimize"></object>
UT<bv}(J <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
G=!bM(]R~ <param name="Command" value="Maximize"></object>
;9p5YxD <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
|akC <PARAM NAME="Command" value="Close"></OBJECT>
qj"syO [l%fL9 <input type=button value=最小化 onclick=hh1.Click()>
/B@%pq <input type=button value=最大化 onclick=hh2.Click()>
+wW <input type=button value=关闭 onclick=hh3.Click()>
_@pf1d$
本例适用于IE
BMWeD B"8JFf}"q 17.屏蔽功能键Shift,Alt,Ctrl
11<@++,i <script>
Z*(!`,.bB function look(){
J
s<MJ4r>/ if(event.shiftKey)
fyq]M_5 alert("禁止按Shift键!"; //可以换成ALT CTRL
^xw [d}0S }
e1^{ document.onkeydown=look;
`J#xyDL6? </script>
l[ ": tG &iiK ZZ`_o 18. 网页不会被缓存
!BQ ELB$0 <META HTTP-EQUIV="pragma" CONTENT="no-cache">
K:
o|kd <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
/W$y"!^)J1 <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
bC4*w
O 或者<META HTTP-EQUIV="expires" CONTENT="0">
# 1dTM- PtQ# 19.怎样让表单没有凹凸感?
renmz,dJ, <input type=text style="border:1 solid #000000">
AzO3 (1: 或
EXW
6yXLV <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
wJos'aTmE O4d^ig-xaH 1 solid #000000"></textarea>
R c:cVK M |Q 20.<div><span>&<layer>的区别?
JeTrMa 2 <div>(division)用来定义大段的页面元素,会产生转行
EM54 <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
wy_;+ 'Y <layer>是ns的标记,ie不支持,相当于<div>
b|ksMB>) &Wv`AoV 21.让弹出窗口总是在最上面:
ds$ \vSd <body onblur="this.focus();">
:KV,:13`D AV[P QI 22.不要滚动条?
JIbzh?$aD 让竖条没有:
XJlDiBs9=Q <body style=`overflow:-Scroll;overflow-y:hidden`>
b8{h[YJL2 </body>
b!5tFX;J 让横条没有:
t:"=]zUU <body style=`overflow:-Scroll;overflow-x:hidden`>
{`Fx~w;i </body>
18p3 两个都去掉?更简单了
Y6<0% <body scroll="no">
!OoaE* s </body>
me[J\MJ;w^ ??zABV 23.怎样去掉图片链接点击后,图片周围的虚线?
Avv <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
=Mu'+,dT *Nf4bH%MN 24.电子邮件处理提交表单
4&]To@> <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
z)W#&JFF <input type=submit>
-4y)qGb*? </form>
o.A}`` t=W$'*P0} 25.在打开的子窗口刷新父窗口的代码里如何写?
Ca5Sc, no window.opener.location.reload()
kJ#[UCqzM fJn3"D' 26.如何设定打开页面的大小
7\0|`{|R@ <body onload="top.resizeTo(300,200);">
;!0.Kk
4 打开页面的位置<body onload="top.moveBy(300,200);">
g=oeS%>E Xs%R]KOwt 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
{b-0_ <style>
# McK46B z body
X$uz=) {background-image:url(logo.gif); background-repeat:no-repeat;
N1+4bR r>Qyc background-position:center;background-attachment: fixed}
rq'##`H </style>
3vRLg b #zSi/r/=1 28. 检查一段字符串是否全由数字组成
9#s95RO <script language="javascript"><!--
>Oi2gPA function checkNum(str){return str.match(//D/)==null}
x<{;1F,k3 alert(checkNum("1232142141"
&w;^m/zP3 alert(checkNum("123214214a1"
>G4HZE // --></script>
5}X<(q( anz9lGG# 29. 获得一个窗口的大小
N.5KPAvg% document.body.clientWidth; document.body.clientHeight
7>t$<J e}?1T7NPG] 30. 怎么判断是否是字符
s`Be#v if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
vh. Wm?qQ else alert("全是字符";
*,pZ fc 6cQeL$,SQ 31.TEXTAREA自适应文字行数的多少
+;:aG6q+ <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
"9U+h2#] </textarea>