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最常用JavaScript代码总结(三)

2010-09-21 11:17 344 查看
57.弹出窗口

方法一:<body 浏览器读页面时弹出窗口;

方法二:<body onunload="openwen()"> 浏览器离开页面时弹出窗口;

方法三:用一个连接调用:<a href="#"

注意:使用的"#"是虚连接。

方法四:用一个按钮调用:<input type="button" value="打开窗口"> 何时装载script

58.动态改变字体的大小

function doZoom(size)

{

document.getElementById('zoom').style.fontSize=size+'px'

}

function aa()

{

var newWin=window.open(url);

newWin.document.form1.text1.value=value1;

}改变弹出窗口上域的属性

opener.document.form2.text2.value=value2;改变父窗口的域的值

59.判断是何种浏览器

var name = navigator.appName;

if (name == "Microsoft Internet Explorer")

alert("IE");

else if (name == "Netscape")

alert("NS");//

60.vbsscript确定框

<script language="VBScript">

<!--

MsgBox "确定删除吗?", 4

//-->

</script>//

61.复制内容到剪切板

function JM_cc(bb)

{

var ob=eval("document.form1."+bb);

ob.select();

js=ob.createTextRange();

js.execCommand("Copy");

}//

62.java中建立数据库连接取数据

public void init()

{

String url="jdbc:odbc:javadata";

try

{

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

Connection con=DriverManager.getConnection(url,"sa","");//mssql database user SA and password

DatabaseMetaData dma=con.getMetaData();

System.out.println("Connect to"+dma.getURL());

System.out.println(";Driver "+dma.getDriverName());

System.out.println(";Version "+dma.getDriverVersion());

System.out.println("");

Statement stmt=con.createStatement();

ResultSet rs=stmt.executeQuery("select * from company.dbo.TB_NAME where number=1");//Sql

rs.next();

String dispresult=rs.getString("name");

System.out.println(dispresult);// Instead,you can display it in Paint() or use AWT etc.

rs.close();

stmt.close();

con.close();

}

catch(SQLException ex)

{

System.out.println("!!!SQL Exception !!!");

while(ex!=null)

{

System.out.println("SQLState:"+ex.getSQLState());

System.out.println("Message:"+ex.getMessage());

System.out.println("Vendor:"+ex.getErrorCode());

ex=ex.getNextException();

System.out.println("");

}

}

catch(java.lang.Exception ex)

{

ex.printStackTrace();

}

}//

63.最小化窗口

window.blur()//

64.文档的路径

document.URL//

65.定时执行某段程序

setTimeout("change_color()",600);

66.设置为主页

function makeHome(){

netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");

navigator.preference("browser.startup.homepage", location.href);

}//

67.设置为收藏

function addFav(){

if(ie)

window.external.AddFavorite(location.href,'WWW.OGRISH.COM : GROTESQUE MOVIES AND PICTURES');

if(ns)

alert("Thanks for the bookmark!\n\nNetscape users click OK then press CTRL-D");

}//

68.判断cookie是否可用

navigator.cookieEnabled;//

69.显示有模式的有页面的弹出窗口

function setbgcolor_onclick()

{

var color = showModalDialog("/mailpage/compose/colorsel.html",0,"help=0");

if (color != null)

{

document.compose.bgcolor.value = color;

}

}//

70.截取小数点后两位

var a=3454545.4454545;

alert(a.toFixed(2));//

71.禁止选择页面上的文字来拷贝

<script>

function noEffect() {

with (event) {

returnValue = false;

cancelBubble = true;

}

return;

}

</script>

<body onselectstart="noEffect()" oncontextmenu="noEffect()">//

72.屏蔽右键菜单

oncontextmenu="event.returnValue = false"//

73.事件禁止起泡

event.cancelBubble = true//

74.禁止在输入框打开输入法

<input style="ime-mode: disabled">//

75.屏蔽汉字和空格

<input name="txt"><input type="submit" onClick="alert(!/[^ -}]|\s/.test(txt.value))">//

76.用javascript判断文件是否存在

function Exists(filespec)

{

if (filespec)

{

var fso;

fso = new ActiveXObject("Scripting.FileSystemObject");

alert(fso.FileExists(filespec));

}

}

选择图片 <input type=file name=f1><p>

<input type="submit" onClick="Exists(f1.value)">//

77.获得当前的文本框选中的文字

<input onmouseup="alert(document.selection.createRange().text)" value=123>//

78.跳转至目标页面,同时不可返回

<a href="javascript:location.replace('http://www.sohu.com/')">sohu.com</a>//

79.获得当前的行是表格的第几行

<script>

function getrow(obj)

{

if(event.srcElement.tagName=="TD"){

curRow=event.srcElement.parentElement;

alert("这是第"+(curRow.rowIndex+1)+"行");

}

}

</script>

<table border="1" width="100%" onclick=getrow(this)>

<tr>

<td width="20%"> </td>

<td width="20%"> </td>

<td width="20%"> </td>

<td width="20%"> </td>

<td width="20%"> </td>

</tr>

<tr>

<td width="20%"> </td>

<td width="20%"> </td>

<td width="20%"> </td>

<td width="20%"> </td>

<td width="20%"> </td>

</tr>

</table>//

80.删除表格某行,xx表示某行,下标从0开始计算

document.all.myTable.deleteRow(xx)//

81.动态的向表格中添加行

<table id="t1" border="1">

</table>

<script language="JavaScript">

function add()

{

t1.insertRow().insertCell().innerHTML = '<input name="test'+t1.rows.length+'">';

}//

82.event.x,event.clientX,event.offsetX区别:

x:设置或者是得到鼠标相对于目标事件的父元素的外边界在x坐标上的位置。 clientX:相对于客户区域的x坐标位置,不

包括滚动条,就是正文区域。 offsetx:设置或者是得到鼠标相对于目标事件的父元素的内边界在x坐标上的位置。

screenX:相对于用户屏幕。

83.显示是鼠标按钮的哪个

<body onMouseDown="alert(event.button)">点Mouse看看//

84.打开C盘

<form action="file:///c|/"><input type="submit" value="c:\ drive"></form>//

85.当前屏幕的分辨率

screen.width、screen.height//

86.设置表格中的内容

tbl.rows[0].cells[1].innerText=document.form.text1.value;//

87.本地快捷键

<p><a href="file:///::{208D2C60-3AEA-1069-A2D7-08002B30309D}" target="_blank">网上邻居</a></p>

<p><a href="file:///::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\d:\web" target="_blank">我的电脑</a></p>

<p><a href="file:///::{450D8FBA-AD25-11D0-98A8-0800361B1103}" target="_blank">我的文档</a></p>

<p><a href="file:///::{645FF040-5081-101B-9F08-00AA002F954E}" target="_blank">回收站</a></p>

<p><a href="file:///::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\::{21EC2020-3AEA-1069-A2DD-08002B30309D}"

target="_blank">控制面板</a></p>

<p><a href="file:///::{7007ACC7-3202-11D1-AAD2-00805FC1270E}">拨号网络</a>(Windows 2000)</p>

88.IE菜单

<button onclick="min.Click()"><font face="webdings">0</font></button>//改变按钮上的图片

<input type=button onclick="document.execCommand('CreateLink','true','true')"> //创建新连接

<input type=button onclick="document.execCommand('print','true','true')"> //打印

<input type=button onclick="document.execCommand('saveas','true','网站制作.htm')">//另存为htm

<input type=button onclick="document.execCommand('saveas','true','网站制作.txt')">//另存为txt

document.execCommand("SaveAs")//保存为

document.execCommand('undo')//撤销上一次操作

89.web对话框

<SCRIPT>

var contents='<style>body,td{font:menu}img{cursor:hand}</style>';

contents+='<title>你要关闭我吗</title>';

contents+='<body bgcolor=menu>';

contents+='<table width=100% height=100% border=0>';

contents+='<tr><td align=center>';

contents+='你要关闭我吗?<br>';

contents+='<img src=dark.gif onclick=self.close() alt="...关闭">';

contents+='<img src=jet.gif onclick=self.close() alt="全是关闭">';

contents+='</td></tr></table>';

showModalDialog("about:"+contents+"","","dialogHeight:50px;dialogWidth:250px;help:no;status:no")

document.write(contents);

</SCRIPT>//

90.取第x,y的值

<button onclick="t1.rows[x].cells[y].innerText='guoguo'"></button>//

91.向新打开的网页上写内容

newwin=window.open('about:blank','','top=10');

newwin.document.write('');//

93.返回

javascript:history.go(-2);//

94.将页面上选中的内容复制到剪贴板

abcdefg

<input type='button'

onclick="window.clipboardData.setData('text',document.selection.createRange().text);" value='复制页面选中

的字符'>//

95.将页面上选中的内容复制到剪贴板

<INPUT TYPE="text" NAME="">kjhkjhkhkj<INPUT TYPE="button" onclick="document.execCommand('Copy', 'false',

null);">////

96.鼠标移到下拉框时自动全部打开

<select onmouseover="javascript:this.size=this.length" onmouseout="javascript:this.size=1"></select>//

97.获得本机的文件

var fso = new ActiveXObject("Scripting.FileSystemObject");

var f1 = fso.GetFile("C:\\bsitcdata\\ejbhome.xml");

alert("File last modified: " + f1.DateLastModified); //

98.判断客户端是否是IE浏览器

因为 document.all 是 IE 的特有属性,所以通常用这个方法来判断客户端是否是IE浏览器 ,document.all?1:0;

99.创建新的下拉框选项

new Option(text,value)这样的函数//

100.在页面上画柱状图

<STYLE>

td{font-size:12px}

body{font-size:12px}

v\:*{behavior:url(#default#VML);} //这里声明了v作为VML公用变量

</STYLE>

<SCRIPT LANGUAGE="JavaScript">

mathstr=12;

document.write ("<v:rect fillcolor='red'

style='width:20;color:navy;height:"+5000/(1000/mathstr)+"'><br> %"+mathstr+"<br>4人<v:Extrusion

backdepth='15pt' on='true'/></v:rect>")

</SCRIPT>

<v:rect fillcolor='red' style='width:20;color:navy;height:200'><br>%12<br>4人<v:Extrusion

backdepth='15pt' on='true'/></v:rect>

<v:rect fillcolor='yellow' style='width:20;color:navy;height:100'><br>%12<br>4人<v:Extrusion

backdepth='15pt' on='true'/></v:rect>//

101.饼图

<style>

v\:* { behavior: url(#default#VML) }

o\:* { behavior: url(#default#VML) }

.shape { behavior: url(#default#VML) }

</style>

<script language="javascript">

function show(pie)

{

pie.strokecolor=pie.fillcolor;

pie.strokeweight=10;

div1.innerHTML="<font size=2 color=red> " + pie.id +"</font> <font size=2>" + pie.title + "</font>";

}

function hide(pie)

{

pie.strokecolor="white";

pie.strokeweight=1;

div1.innerHTML="";

}

</script>

</head>

<body>

<v:group style='width: 5cm; height: 5cm' coordorigin='0,0' coordsize='250,250'>

<v:shape id='asp技术' style='width:10;height:10;top:10;left:0' title='得票数:6 比例:40.00%'

href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ffff33'><v:path v='m 300,200 ae

300,200,200,150,0,9437184 xe'/></v:shape>

<v:shape id='php' style='width:10;height:10;top:10;left:0' title='得票数:1 比例:6.67%'

href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ff9933'><v:path v='m 300,200 ae

300,200,200,150,9437184,1572864 xe'/></v:shape>

<v:shape id='jsp' style='width:10;height:10;top:10;left:0' title='得票数:2 比例:13.33%'

href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#3399ff'><v:path v='m 300,200 ae

300,200,200,150,11010048,3145728 xe'/></v:shape>

<v:shape id='c#写的.netWEB程序' style='width:10;height:10;top:10;left:0' title='得票数:3 比例:20.00%'

href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#99ff33'><v:path v='m 300,200 ae

300,200,200,150,14155776,4718592 xe'/></v:shape>

<v:shape id='vb.net写的.netWEB程序' style='width:10;height:10;top:10;left:0' title='得票数:2 比例:13.33%'

href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ff6600'><v:path v='m 300,200 ae

300,200,200,150,18874368,3145728 xe'/></v:shape>

<v:shape id='xml技术' style='width:10;height:10;top:10;left:0' title='得票数:1 比例:6.67%'

href='http://www.cnADO.com'

CoordSize='10,10' strokecolor='white' fillcolor='#ff99ff'><v:path v='m 300,200 ae

300,200,200,150,22020096,1572864 xe'/></v:shape>

</v:group>

<v:group style='width: 6cm; height: 6cm' coordorigin='0,0' coordsize='250,250'>

<v:rect style='height:10;width:15;top:0;left:10' fillcolor='#ffff33'/>

<v:rect style='height:28;width:100;top:0;left:30' stroked='false'><v:textbox

style='fontsize:2'>asp技术</v:textbox/></v:rect>

<v:rect style='height:10;width:15;top:30;left:10' fillcolor='#ff9933'/>

<v:rect style='height:28;width:100;top:30;left:30' stroked='false'><v:textbox

style='fontsize:2'>php</v:textbox/></v:rect>

<v:rect style='height:10;width:15;top:60;left:10' fillcolor='#3399ff'/>

<v:rect style='height:28;width:100;top:60;left:30' stroked='false'><v:textbox

style='fontsize:2'>jsp</v:textbox/></v:rect>

<v:rect style='height:10;width:15;top:90;left:10' fillcolor='#99ff33'/>

<v:rect style='height:28;width:100;top:90;left:30' stroked='false'><v:textbox

style='fontsize:2'>c#写的.netWEB程序</v:textbox/></v:rect>

<v:rect style='height:10;width:15;top:120;left:10' fillcolor='#ff6600'/>

<v:rect style='height:28;width:100;top:120;left:30' stroked='false'><v:textbox style='fontsize:2'>vb.net

写的.netWEB程序</v:textbox/></v:rect>

<v:rect style='height:10;width:15;top:150;left:10' fillcolor='#ff99ff'/>

<v:rect style='height:28;width:100;top:150;left:30' stroked='false'><v:textbox style='fontsize:2'>xml技术

</v:textbox/></v:rect>

</v:group>

<div style="position: absolute; left: 10; top: 10; width: 760; height:16">

<table border="1" cellpadding="2" cellspacing="2" cellpadding="0" cellspacing="0"

style="border-collapse: collapse" bordercolor="#CCCCCC" width="100%" ID="Table1">

<tr>

<td width="100%" id=div1> </td>

</tr>

</table>

</div>//

102.是一个特殊的容器,想装个网页都行

<button><iframe src=\'#\'" //www.google.com/"></iframe></button>//button

103.外部的html代码

event.srcElement.outerHTML//

104.标识当前的IE事件的触发器

event.srcElement和event.keyCode//

105.事件类型

event.type//

106.动态改变类型

<style>

.Overnone { border-width:0;background-color:darkblue;cursor:default;color:gold;width:115}

.Outnone {border-width:0;background-color:white;cursor:default;width:115}

</style>

<input class=Outnone onmouseover=this.className='Overnone' >//

107.页面翻转

<html dir=rtl></html>//

108.滚屏

parent.scroll(x,y);//

<body onDblClick="s=setInterval('scrollBy(0, 1)',10)" onClick="clearInterval(s)">//

109.改变状态栏

self.status ="";//

110.改变窗口大小

window.resizeTo(200,300);//

111.改变鼠标样式

style

BODY{CURSOR: url('mouse.ani');

SCROLLBAR-BASE-COLOR: #506AA8;

SCROLLBAR-ARROW-COLOR: #14213F;

}//

112.背景透明

<input type="button" value="Button" style="background-color: transparent; border: 0;">//

113.鼠标为等待形状

<input type=button onclick="this.style.cursor='wait'">//

114.调用父窗口的函数

opener.fucntion1();//

115.body的内部html代码

<input type="button" onclick="alert(code.document.body.innerHTML)" value="查看">//

116.框架中调用父窗口的函数

<INPUT TYPE='button' onclick='parent.test();' value='调用parent窗口的函数'>//

117.交换节点

<table width=200 height=200 border>

<tr><td id=c1>CELL_1</td></tr>

<tr><td id=c2>CELL_2</td></tr>

</table>

<br>

<input type="button" value="swap row" onclick="c1.swapNode(c2)">//

118.删除节点

<table width=200 height=200 border>

<tr id=trall><td id=c1>CELL_1</td></tr>

<tr><td id=c2>CELL_2</td></tr>

</table>

<br>

<input type="button" value="swap row" onclick="trall.removeNode(c2)">//

119.添加节点

addNode()//

120.获得事件的父与子标签

event.srcElement.children[0]和event.srcElement.parentElement //

121.集中为按钮改变颜色

<style>

button{benc:expression(this.onfocus = function(){this.style.backgroundColor='#E5F0FF';})}

</style>

<button>New</button>//

122.判断是左键还是右键被按下

<body onmousedown=if(event.button==1)alert("左键");if(event.button==2)alert("右键")>//

123.获得操作系统的名称和浏览器的名称

document.write(navigator.userAgent)//

124.alt/ctrl/shift键按下

event.altKey //按下alt键

event.ctrlKey //按下ctrl键

event.shiftKey //按下shift键

125.将当前位置定位为C盘。

{window.location="c:"}//

126.返回输入框的类型

<script>

alert(event.srcElement.type);//

</script>

127.模拟控件的单击事件

<INPUT TYPE="hidden" name="guoguo" onclick="haha()">

<SCRIPT LANGUAGE="JavaScript">

<!--

function haha()

{

alert();

}

guoguo.click();

//-->

</SCRIPT>//

128.取出记录集的列名

java.sql.ResultSet rset = com.bsitc.util.DBAssist.getIT().executeQuery(queryStatement, conn);

java.sql.ResultSetMetaData metaData = rset.getMetaData();

int count = metaData.getColumnCount();

String name = metaData.getColumnName(i);

String value = rset.getString(i);//

129.格式化数字

function format_number(str,digit)

{

if(isNaN(str))

{

alert("您传入的值不是数字!");

return 0;

}

else if(Math.round(digit)!=digit)

{

alert("您输入的小数位数不是整数!");

return 0;

}

else

return Math.round(parseFloat(str)*Math.pow(10,digit))/Math.pow(10,digit);

}

130.回车按钮转化为tab按钮

if(event.keyCode==13) event.keyCode=9; //将

131.滚动条滚动

<button onclick="text1.scrollTop=text1.scrollHeight">Scroll</button><br>

<textarea id="text1" cols=50 rows=10>

1

1

1

1

1

</textarea>//
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