(转)js常用函数整理
类型判断:typeof;eg:if(typeof(var)!="undefined")\isNaN
字符处理函数:toLowerCase\touppercase\
substring(从哪里截到哪)\substr(从哪里开始;截多少个字符) \indexOf(字串中找某串字符)\replace(替换函数)\
charCodeAt
concat
split
join
定时处理函数:setInterval;setTimeout;clearTimeout;clearInterval
两个显示控制属性:visibility(hidden,hide,show,visible);display(none,block,inline)
编码的一些函数:escape();
取得对象的方法:
document.getElementsByTagName(根据标签名获得对象组)\
document.getElementsByTagName('head').item(0)
document.getElementsByName(通过NAME获得对象)\
document.getElementById(通过ID获得对象)\
document.form1.f1\
document.all.tags(t)[id]
document.all[id]
document.layers[id]
不常用的一些方法:
moveToAbsolute:
fromElement
toElement
contains
captureEvents
parent.frames
moveTo(x,y)
resizeBy(x,y)
resizeTo(x,y)
attachEvent('onmousedown',showHide);
document.createElement('')
document.createTextNode('')
obj.setAttribute('src','')
obj.getAttribute('')
event.srcElement
style.cssText
document.body.appendChild
document.body.removeChild
document.body.insertAdjacentHTML("AfterBegin",s)
innerHTML/
removeNode
insertBefore
arguments
event.keyCode
正则相关:RegExp(eg:new RegExp("\"","g"))
一些长宽及位置属性:
window.innerHeight
window.innerWidth
document.documentElement.clientWidth
document.documentElement.clientHeight
document.body.clientWidth
document.body.clientHeight
document.body.offsetWidth
document.body.offsetHeight
document.body.scrollLeft
document.body.scrollTop
document.location.reload()
window一些方法:
window.onerror=function(){return true;}隐去报错
window.onload\window.onunload
window.status
window.parent.location.href
window.location.href
window.top.location.href
数学方法:
Math.max
数组方法:
length
slice
JS输出方法:
document.write(s);
alert(s);
confirm
prompt
document.writeln
弹窗方法:
window.showModalDialog(<url>,<标题>,<属性>)
window.open("","","");
2、 回复:js常用函数整理~~~~
控制横向和纵向滚动条的显隐?
<body style="overflow-y:hidden"> 去掉x轴
<body style="overflow-x:hidden"> 去掉y轴
<body scroll="no">不显
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表格变色
<TD onmouseover="this.style.backgroundColor='#FFFFFF'"
onmouseout="this.style.backgroundColor=''"
style="CURSOR: hand">
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禁止复制,鼠标拖动选取
<body ondragstart=window.event.returnValue=false oncontextmenu=window.event.returnValue=false onselectstart=event.returnValue=false>
--------------------------------------------
普通iframe页面
<iframe name="name" src="main.htm" width="450" height="287" scrolling="Auto" frameborder="0"></iframe>
--------------------------------------------
iframe自适应高度
<iframe name="pindex" src="index.asp" frameborder=false scrolling="auto" width="100%" height="100%" frameborder=no onload="document.all['pindex'].style.height=pindex.document.body.scrollHeight" ></iframe>
--------------------------------------------
IE地址栏前换成自己的图标&可以在收藏夹中显示出你的图标
<link rel="Shortcut Icon" href="favicon.ico">
<link rel="Bookmark" href="favicon.ico">
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字号缩放
越来越多的人长时间的泡网,眼镜的普及率也越来越高,让文字大点,让更多的用户看的更清楚。
<script type="text/javascript">
function doZoom(size)
{document.getElementById('zoom').style.fontSize=size+'px';}
</script>
<span id="zoom">需要指定大小的文字</span>
<a href="javascript:doZoom(16)">大</a> <a href="javascript:doZoom(14)">中</a> <a href="javascript:doZoom(12)">小</a>
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select挡住div的解决方法
在div里加入下面的代码,根据需要调整就可以了。
<iframe src="javascript:false" scrolling="no" frameborder="0" style="z-index:-1;position:absolute; top:5px; left:2px;width:168;height:100px;">
</iframe>
--------------------------------------------
iframe(嵌入式帧)自适应高度
填写的嵌入地址一定要和本页面在同一个站点上,否则会提示“拒绝访问!”。对跨域引用有权限问题,请查阅其他资料。
<iframe name="guestbook" src="gbook/index.asp" scrolling=no width="100%" height="100%" frameborder=no onload="document.all['guestbook'].style.height=guestbook.document.body.scrollHeight"></iframe>
--------------------------------------------
跳转菜单新窗口
<select name="select" onchange="window.open(this.options[this.selectedIndex].value)">
<option value="http://www.microsoft.com/ie"> Internet Explorer</option>
<option value="http://www.microsoft.com"> Microsoft Home</option>
<option value="http://msdn.microsoft.com"> Developer Network</option>
</select>
--------------------------------------------
flash透明选项
<param name="wmode" value="transparent">
--------------------------------------------
添加到收藏夹和设为首页
添加到收藏夹:
<a href="javascript:window.external.addFavorite('http://链接','说明');">添加到收藏夹</a>
设为首页:
<a href=# onclick=this.style.behavior='url(#default#homepage)';this.setHomePage ('http://链接');>设为首页</a>
--------------------------------------------
记录并显示网页的最后修改时间
<script language=JavaScript>
document.write("最后更新时间: " + document.lastModified + "")
</script>
--------------------------------------------
节日倒计时
<Script Language="JavaScript">
var timedate= new Date("October 1,2002");
var times= "国庆节";
var now = new Date();
var date = timedate.getTime() - now.getTime();
var time = Math.floor(date / (1000 * 60 * 60 * 24));
if (time >= 0)
document.write( "现在离"+times+"还有: "+time +"天")
</Script>
--------------------------------------------
加在HEAD里
禁止缓存
<meta http-equiv="Expires" CONTENT="0">
<meta http-equiv="Cache-Control" CONTENT="no-cache">
<meta http-equiv="Pragma" CONTENT="no-cache">
--------------------------------------------
让IFRAME框架内的文档的背景透明
<iframe src="about:<body style='background:transparent'>" allowtransparency></iframe>
--------------------------------------------
打开窗口即最大化
<script language="JavaScript">
<!-- Begin
self.moveTo(0,0)
self.resizeTo(screen.availWidth,screen.availHeight)
// End -->
</script>
--------------------------------------------
加入背景音乐
<bgsound src="mid/windblue[1].mid" loop="-1"> 只适用于IE
<embed src="music.mid" autostart="true" loop="true" hidden="true"> 对Netscape ,IE 都适用
--------------------------------------------
滚动
<marquee direction=up height=146 onmouseout=start() onmouseover=stop() scrollAmount=2>滚动信息
</marquee>
--------------------------------------------
防止点击空链接时,页面往往重置到页首端
代码“javascript:void(null)”代替原来的“#”标记
--------------------------------------------
文字或图片弹出指定大小的窗口
在body中加入
<script language="JavaScript" type="text/JavaScript">
function MM_openBrWindow(theURL,winName,features) {window.open(theURL,winName,features);}
</script>
弹出代码
<a href="#" target="_self" onClick="MM_openBrWindow('windows01.htm','','width=550,height=380')" width="550" height="380" border="0">图片或文字</a>
--------------------------------------------
flash按钮加链接
on (press) {
getURL("http://www.makewing.com","_blank");
}
--------------------------------------------
跳转页面代码
<meta http-equiv="refresh" content="5;url=http://www.makewing.com">
--------------------------------------------
细线分隔线
<hr noshade size=0 color=#C0C0C0>
--------------------------------------------
网页中的自动换行
<td style="word-break:break-all">就搞定了。
完整的是
style="table-layout: fixed;WORD-BREAK: break-all; WORD-WRAP: break-word"
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消除ie6自动出现的图像工具栏,设置 GALLERYIMG属性为false或no .
<IMG SRC="mypicture.jpg" HEIGHT="100px" WIDTH="100px" GALLERYIMG="no">
--------------------------------------------
禁止页面正文内容被选取
<body oncontextmenu="return false" ondragstart="return false" onselectstart ="return false" onselect="document.selection.empty()" oncopy="document.selection.empty()" onbeforecopy="return
false"onmouseup="document.selection.empty()">
--------------------------------------------
不能点右键,不用CTRL+A,不能复制作!
<body oncontextmenu="window.event.returnValue=false"
onkeypress="window.event.returnValue=false"
onkeydown="window.event.returnValue=false"
onkeyup="window.event.returnValue=false"
ondragstart="window.event.returnValue=false"
onselectstart="event.returnValue=false">
</body>
--------------------------------------------
IE浏览器支持一个 Body 属性 bgproperties,它可以让背景不滚动:
<Body Background="图片文件" bgproperties="fixed">
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随机变换背景图象(一个可以刷新心情的特效)
<Script Language="JavaScript">
image = new Array(4); //定义image为图片数量的数组
image [0] = 'tu0.gif' //背景图象的路径
image [1] = 'tu1.gif'
image [2] = 'tu2.gif'
image [3] = 'tu3.gif'
image [4] = 'tu4.gif'
number = Math.floor(Math.random() * image.length);
document.write("<BODY BACKGROUND="+image[number]+">");
</Script>
--------------------------------------------
flash载入影片
on (release)
{
loadMovie("1-01.swf", "_root.loaderclip");
}
--------------------------------------------
图片表单按钮
<form id="form1" name="form1" method="post" action="">
<img src="login.gif" width="62" height="22" onclick="document.form1.submit()" />
</form>
--------------------------------------------
左右阴影背景的CSS定义方法
body {
text-align:center;
background-repeat: repeat-y;
background-position: center;
background-image: url(../images/bg.jpg);
}