1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
Oc=PJf%D# <table border oncontextmenu=return(false)><td>no</table> 可用于Table
pIjVJ9+j tOVm~C,R 2. <body onselectstart="return false"> 取消选取、防止复制
0(6`dr_ QAw,X Z.K^ 3. onpaste="return false" 不准粘贴
lt"*y.%@b [l{eJ/W 4. oncopy="return false;" oncut="return false;" 防止复制
fN>|X\- C\h<02 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
)}lV41u SuuS!U+i> 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
RlL,eU$CS f.CI.aozW 7. <input style="ime-mode:-Disabled"> 关闭输入法
K?I&,t_*R ~n\ea:. 8. 永远都会带着框架
-L3RzX <script language="javascript"><!--
^@> Qiy if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
XOFaS '. // --></script>
H2KY$;X[ d+)L\
`4 9. 防止被人frame
|}Lgo"cTC <SCRIPT LANGUAGE=javascript><!--
&1Iy9&y if (top.location != self.location)top.location=self.location;
4 (gf!U // --></SCRIPT>
p-Btbhv K Hc + 10. 网页将不能被另存为
0_.hU^fP <noscript><iframe src=*.html></iframe></noscript>
|`/uS;O YtQWArX, 11. <input type=button value=查看网页源代码
Xqw7lj;K onclick="window.location = `view-source:`+
http://www.51js.com/`";>
dkC / ?R bS6Yi)p 12.删除时确认
g>CQO,s;w <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
xUoY|$fI Puh&F< B 除</a>
#{1fb%L{i #+\G-
=- 13. 取得控件的绝对位置
r/ f;\w7 //javascript
?8/h3xV; <script language="javascript">
CB1u_E_ function getIE(E){
b>WT-.b0 var t=e.offsetTop;
55\mQ|.Jn var l=e.offsetLeft;
mAa]Et. while(e=e.offsetParent){
;{20Heuz t+=e.offsetTop;
j+/*NM_y3 l+=e.offsetLeft;
>AJ|F) }
N|}`p" alert("top="+t+"/nleft="+l);
e:<>
Yq+ }
3\7$)p+c </script>
eo[^ij ?YO%]mTP //VBScript
],|B4\b ; <script language="VBScript"><!--
^eii
4 function getIE()
8EA?'~" dim t,l,a,b
(0S7 set a=document.all.img1
rJ>8|K[kt t=document.all.img1.offsetTop
NBX/V^ l=document.all.img1.offsetLeft
*Yw6UCO while a.tagName<>"BODY"
R#M).2:: set a = a.offsetParent
wxxC&! t=t+a.offsetTop
d\M
!o*U l=l+a.offsetLeft
jK53-tF~I wend
;*p}~#2 msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
J)o%83// end function
,?+yu6eLb --></script>
`R RORzXoS +l(}5(wc 14. 光标是停在文本框文字的最后
3OlY Ml <script language="javascript">
I5]zOKlVR function cc()
w0iEx1i {
rB]/N,R var e = event.srcElement;
T~>:8i var r =e.createTextRange();
{'%=tJ[YX r.moveStart(`character`,e.value.length);
TF>F7v(,45 r.collapse(true);
ix;8S=eP~{ r.select();
^(R
gSMuT` }
D5x^O2 </script>
,PYe7c <input type=text name=text1 value="123" onfocus="cc()">
zAewE@N#_ p20Nk$. 15. 判断上一页的来源
)SuJK.IF javascript:
3]acfCacC document.referrer
VbjW$? ?$Pj[O^hl 16. 最小化、最大化、关闭窗口
~m7+^c@, <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
vNIQc "\- <param name="Command" value="Minimize"></object>
2 6A#X <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
R#>E{[9 <param name="Command" value="Maximize"></object>
"5Mo%cUp <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
|wx1
[xZ <PARAM NAME="Command" value="Close"></OBJECT>
[Wc 73- Alz#zBGb <input type=button value=最小化 onclick=hh1.Click()>
Wj&s5;2a <input type=button value=最大化 onclick=hh2.Click()>
&n|gPp77$ <input type=button value=关闭 onclick=hh3.Click()>
9}N*(PI 本例适用于IE
zPe . >\ W" 3. 17.屏蔽功能键Shift,Alt,Ctrl
Eh+lLtZ <script>
vq}V0-
< function look(){
J']W7!p if(event.shiftKey)
k>"I!&#g alert("禁止按Shift键!"; //可以换成ALT CTRL
gQ~4udla. }
DVd/OU
document.onkeydown=look;
-SQYr </script>
A:f+x|[ eR
CGr?e4 18. 网页不会被缓存
Zh@\+1] <META HTTP-EQUIV="pragma" CONTENT="no-cache">
f+&yc'[ <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
y3#\mBiw <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
W3b\LnUa 或者<META HTTP-EQUIV="expires" CONTENT="0">
SDkN myXV~6R
3 19.怎样让表单没有凹凸感?
0^=S:~G <input type=text style="border:1 solid #000000">
#qWEyb2UZ 或
0:*$i(2 <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
n2E2V<# hY!G>d{J 1 solid #000000"></textarea>
MEu-lM7v KGIz)/eSg 20.<div><span>&<layer>的区别?
[LCi, <div>(division)用来定义大段的页面元素,会产生转行
m<E7cY3mX <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
kHO\#fF< <layer>是ns的标记,ie不支持,相当于<div>
Nn$$yUkMX 08Q:1 ' 21.让弹出窗口总是在最上面:
-?uwlpm# <body onblur="this.focus();">
5Ai
Yx} IH5thL@D 22.不要滚动条?
B?jF1F!9 让竖条没有:
`f s[C
<body style=`overflow:-Scroll;overflow-y:hidden`>
k(MQ:9'| </body>
&>-Cz%IV 让横条没有:
aUnm9ur <body style=`overflow:-Scroll;overflow-x:hidden`>
&IcDUr]L </body>
-Je+7#P1 两个都去掉?更简单了
=c|Bu^(Ctw <body scroll="no">
=xgW$c/yB </body>
I
?1E}bv ]n{2cPx5d 23.怎样去掉图片链接点击后,图片周围的虚线?
xsfq[}eH< <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
.D :v0Zm}m X_h+\
7N> 24.电子邮件处理提交表单
YXvKDw'95 <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
.}tL:^'~o <input type=submit>
@wo9;DW` </form>
&c]x;#-y _u>+H# 25.在打开的子窗口刷新父窗口的代码里如何写?
8)i\d` window.opener.location.reload()
,"D1!0 X**wRF 26.如何设定打开页面的大小
R{T4AZ@,' <body onload="top.resizeTo(300,200);">
6c2fqAF>i 打开页面的位置<body onload="top.moveBy(300,200);">
.m<-)Kx L8V'mUyD 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
!o`al` q' <style>
vOqT Ld body
j1BYSfX' {background-image:url(logo.gif); background-repeat:no-repeat;
/:S.("Unv eA!aUu background-position:center;background-attachment: fixed}
w:qwU\U>x </style>
<a'j8pw9i Z8m/8M 28. 检查一段字符串是否全由数字组成
m+o>`1>a <script language="javascript"><!--
WYq, i}S function checkNum(str){return str.match(//D/)==null}
c6e?)(V> alert(checkNum("1232142141"
69_c,(M0 alert(checkNum("123214214a1"
(vQShe\ // --></script>
C. Sb4i* qB8<(vBP+ 29. 获得一个窗口的大小
%hXa5}JL document.body.clientWidth; document.body.clientHeight
}Iu 6]?|' }RD,JgmV 30. 怎么判断是否是字符
6:e0?R^aD" if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
D,NjDIG8 else alert("全是字符";
rP*?a~< * 6uiOtH 31.TEXTAREA自适应文字行数的多少
lY6U $*9c <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
j*CnnM#n </textarea>