1. oncontextmenu="window.event.returnvalue=false" 将彻底屏蔽鼠标右键
Ls2,+yo]> <table border oncontextmenu=return(false)><td>no</table> 可用于Table
F42^Uoaz ;R+Gf!1 2. <body onselectstart="return false"> 取消选取、防止复制
s1OSuSL> ~Xx}:@Ld 3. onpaste="return false" 不准粘贴
P=}l.R*1G i{}m 8K) 4. oncopy="return false;" oncut="return false;" 防止复制
rv{ Wti[ s {*rBX8N 5. <link rel="Shortcut Icon" href="favicon.ico"> IE地址栏前换成自己的图标
-n@,r%`UK .\`MoH 6. <link rel="Bookmark" href="favicon.ico"> 可以在收藏夹中显示出你的图标
tuH#Cy c:=HN-*vQ 7. <input style="ime-mode:-Disabled"> 关闭输入法
\)*\$I\] =?CIC%6m 8. 永远都会带着框架
.P8m%$'N <script language="javascript"><!--
Y3|_&\v6 if (window == top)top.location.href = "frames.htm"; //frames.htm为框架网页
Oh}52= // --></script>
}G(#jOYk 5#z7Hj&w 9. 防止被人frame
c
CjN8< <SCRIPT LANGUAGE=javascript><!--
=8vwaJ if (top.location != self.location)top.location=self.location;
#pWy%U // --></SCRIPT>
r6D3u(kMb #}1yBxB<= 10. 网页将不能被另存为
:tENn
r.9v <noscript><iframe src=*.html></iframe></noscript>
h9d*N 9!;M Urw =a$ 11. <input type=button value=查看网页源代码
#+i5'p(4 onclick="window.location = `view-source:`+
http://www.51js.com/`";>
A/ zAB3 M\ wCZG 12.删除时确认
HZ(giAyjq <a href=`javascript:if(confirm("确实要删除吗?"location="boos.asp?&areyou=删除&page=1"`>删
a"cw%L >uJu!+# 除</a>
UJS
vtD{g z>W?\[E<2 13. 取得控件的绝对位置
#Hy9 ;Q //javascript
f3;[ZS <script language="javascript">
-R9{Ak function getIE(E){
UnDX .W*2 var t=e.offsetTop;
6ZjUC1 var l=e.offsetLeft;
MHE/#G while(e=e.offsetParent){
<&+0[9x t+=e.offsetTop;
de8xl l+=e.offsetLeft;
>8NUji2I }
mJ8EiRSE alert("top="+t+"/nleft="+l);
HII@Ed f? }
uEsF 8 </script>
6Po{tKU ,A#gF_8 //VBScript
KsTE)@F: <script language="VBScript"><!--
9r:|u:i7m function getIE()
\1u^?cBd dim t,l,a,b
\0*dKgN set a=document.all.img1
_+Z;pt$C t=document.all.img1.offsetTop
WM9({BZ l=document.all.img1.offsetLeft
;<MHl[jJD while a.tagName<>"BODY"
^Ux.s Q set a = a.offsetParent
{Zs
EYUP t=t+a.offsetTop
[:izej(\ l=l+a.offsetLeft
v)vogtAQa wend
=BD|uIR msgbox "top="&t&chr(13)&"left="&l,64,"得到控件的位置"
=q[+e(,3 end function
uC]c`Ue --></script>
aYtW!+# K=4|GZ~p}` 14. 光标是停在文本框文字的最后
>YdLB@ <script language="javascript">
[pt U} function cc()
[$]-W$j+ {
A(XX2f!i var e = event.srcElement;
}Oe4wEYN) var r =e.createTextRange();
XB[EJGaX r.moveStart(`character`,e.value.length);
B$q5/ L$} r.collapse(true);
DLq'V.M: r.select();
.5~3D97X& }
Eg4&D4TGp </script>
Q*f0YjH! <input type=text name=text1 value="123" onfocus="cc()">
Ix@nRc' ~1Ffu x 15. 判断上一页的来源
"-HWw?rx/ javascript:
{p$X*2ReB document.referrer
4y)6!p 16ip:/5 16. 最小化、最大化、关闭窗口
>qMzQw2 <object id=hh1 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
&`'@}o>2 <param name="Command" value="Minimize"></object>
'v(b^x<ZS <object id=hh2 classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">
wgQx.8 h> <param name="Command" value="Maximize"></object>
:VR%I;g ; <OBJECT id=hh3 classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11">
=FAIbM>u <PARAM NAME="Command" value="Close"></OBJECT>
+wEsfYW Tj2pEOu <input type=button value=最小化 onclick=hh1.Click()>
fG@]G9Z <input type=button value=最大化 onclick=hh2.Click()>
]P_yN:~ <input type=button value=关闭 onclick=hh3.Click()>
##"
Hui 本例适用于IE
h5n@SE>G _GoFwVO 17.屏蔽功能键Shift,Alt,Ctrl
T0o0_R <script>
hBDmC_\~ function look(){
!%D;H ~mQ if(event.shiftKey)
]<;y_ alert("禁止按Shift键!"; //可以换成ALT CTRL
d|sf2 }
=+VDb5= TV document.onkeydown=look;
msq2/sS~ </script>
(F#2z\$; D4{<~/oBv 18. 网页不会被缓存
*H
Qc I- <META HTTP-EQUIV="pragma" CONTENT="no-cache">
ZZT #V%Q=u <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
}L_YpG7 <META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
@(,1}3s 或者<META HTTP-EQUIV="expires" CONTENT="0">
LORcf 1X/ }<04\t? 19.怎样让表单没有凹凸感?
YZg#H)w% <input type=text style="border:1 solid #000000">
al9wNtMT 或
e2O6q05 ?Q <input type=text style="border-left:none; border-right:none; border-top:none; border-bottom:
FDz`U:8 pZnp!!G 1 solid #000000"></textarea>
8q[;
0 R*[sO*h\k 20.<div><span>&<layer>的区别?
8<6H2~5< <div>(division)用来定义大段的页面元素,会产生转行
3v8LzS3@ <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
gg/`{ <layer>是ns的标记,ie不支持,相当于<div>
{~U3|_"[pX '#'noB;,
21.让弹出窗口总是在最上面:
L'= \|r <body onblur="this.focus();">
.{V"Gn9! p%Z:SZZ 22.不要滚动条?
')"+ a^c 让竖条没有:
hYW9a`Ht/ <body style=`overflow:-Scroll;overflow-y:hidden`>
sK}AS;: </body>
'$9o(m# 让横条没有:
JusU5 e| <body style=`overflow:-Scroll;overflow-x:hidden`>
u R0UfKK </body>
OEW'bT) 两个都去掉?更简单了
E/zf9\ <body scroll="no">
PF%-fbh!~ </body>
p#@ #$u- U2
*ORd 23.怎样去掉图片链接点击后,图片周围的虚线?
en<~_|J <a href="#" onFocus="this.blur()"><img src="logo.jpg" border=0></a>
y\?ey'o @aIgif+v 24.电子邮件处理提交表单
@-$8)?`q <form name="form1" method="post" action="mailto:****@***.com" enctype="text/plain">
:viW <input type=submit>
5n@YNaoIb </form>
GcBqe=/B! Zy}tZ RG 25.在打开的子窗口刷新父窗口的代码里如何写?
|mEWN/@C window.opener.location.reload()
i>m%hbAk PYkhY;* 26.如何设定打开页面的大小
cQU/z"?+ <body onload="top.resizeTo(300,200);">
-#v~;Ci 打开页面的位置<body onload="top.moveBy(300,200);">
Gl~l -k'<6op 27.在页面中如何加入不是满铺的背景图片,拉动页面时背景图不动
G/_IY; <style>
p+d-7'?I body
KkJqqO"EL {background-image:url(logo.gif); background-repeat:no-repeat;
mWp>E`l Z
vysLHj background-position:center;background-attachment: fixed}
&,nv+>D </style>
{EgSjxfmw &LLU@ | 28. 检查一段字符串是否全由数字组成
|2(q9j <script language="javascript"><!--
Rlq7.2cP function checkNum(str){return str.match(//D/)==null}
:#rP$LSYC alert(checkNum("1232142141"
NoI|Dz alert(checkNum("123214214a1"
RN$vKJk // --></script>
f}:C~L! 2b"*~O; 29. 获得一个窗口的大小
E>~R P^?Uz document.body.clientWidth; document.body.clientHeight
U&^q#[' 1.3#PdMR, 30. 怎么判断是否是字符
VvhfD2*T if (/[^/x00-/xff]/g.test(s)) alert("含有汉字";
n:@!vV
else alert("全是字符";
=2R4Z8G iN;Pg_Kq 31.TEXTAREA自适应文字行数的多少
y=3 dGOFB <textarea rows=1 name=s1 cols=27 onpropertychange="this.style.posHeight=this.scrollHeight">
w~3X
m{ </textarea>