繁體中文当前位置: 首页 > 图文教程 > 网络编程 > Javascript > javascript手冊-b
- Javascript
- 图片跟随的代码
- 对联广告js flash激活
- 用js怎么把&字符换成"&:"
- 动态加载js的几种方法
- 改进版：在select中添加、修改、删除option元素
- 关于搜索输入框
- 添加、删除HTML结点 & 上传图片预览
- 一个JavaScript继承的实现
- this.clientWidth和this.offsetWidth两个有什么不同
- 实现iframe延时加载
- document.styleSheets[0].disabled
- 一个级联菜单(IE ONLY),不过代码很精简!
- xmlHTTP实例
- 有趣的思路~~JS仿 WINXP 注销桌面渐隐效果
- Hutia 的 JS 代码集
- PJ Blog修改-禁止复制的代码和方法
- 如何限制在一个表格里面禁止使用右键
- 怎样调用动态获取的自定义对象的方法
- 12个div逐个显示效果
- 挺酷的一个倒计时
Javascript 中的 javascript手冊-b
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-08-10 浏览: 114 ::
收藏到网摘: n/a
back method
Loads the previous URL in the history list.
语法
history.back()
用法
history
描述
This method performs the same action as a user choosing the Back button in the Navigator. The back method is the same as history.go(-1).
例子
The following custom buttons perform the same operations as the Navigator Back and Forward buttons:<P><INPUT TYPE="button" VALUE="< Back" onClick="history.back()"> <P><INPUT TYPE="button" VALUE="> Forward" onClick="history.forward()">
See also
bgColor property
A string specifying the color of the document background.
语法
document.bgColor
Property of
document
描述
The bgColor property is expressed as a hexadecimal RGB triplet or as one of the string literals listed in Color Values. This property is the JavaScript reflection of the BGCOLOR attribute of the <BODY> tag. The default value of this property is set by the user on the Colors tab of the Preferences dialog box, which is displayed by choosing General Preferences from the Options menu.
You can set the bgColor property at any time.
If you express the color as a hexadecimal RGB triplet, you must use the format rrggbb. For example, the hexadecimal RGB values for salmon are red=FA, green=80, and blue=72, so the RGB triplet for salmon is "FA8072".
例子
The following example sets the color of the document background to aqua using a string literal:
document.bgColor="aqua"
The following example sets the color of the document background to aqua using a hexadecimal triplet:
document.bgColor="00FFFF"
See also
big method
Causes a string to be displayed in a big font as if it were in a <BIG> tag.
语法
stringName.big()
stringName is any string or a property of an existing object.
用法
string
描述
Use the big method with the write or writeln methods to format and display a string in a document.
例子
The following example uses string methods to change the size of a string:var worldString="Hello, world"
document.write(worldString.small())
document.write("<P>" + worldString.big())
document.write("<P>" + worldString.fontsize(7))
The previous example produces the same output as the following htm:
See also
blink method
Causes a string to blink as if it were in a <BLINK> tag.
语法
stringName.blink()
stringName is any string or a property of an existing object.
用法
string
描述
Use the blink method with the write or writeln methods to format and display a string in a document.
例子
The following example uses string methods to change the formatting of a string:var worldString="Hello, world"
document.write(worldString.blink())
document.write("<P>" + worldString.bold())
document.write("<P>" + worldString.italics())
document.write("<P>" + worldString.strike())
The previous example produces the same output as the following htm:
See also
blur method
Removes focus from the specified object.
语法
1. passwordName.blur() 2. selectName.blur() 3. textName.blur() 4. textareaName.blur()
passwordName is either the value of the NAME attribute of a password object or an element in the elements array.
selectName is either the value of the NAME attribute of a select object or an element in the elements array.
textName is either the value of the NAME attribute of a text object or an element in the elements array.
textareaName is either the value of the NAME attribute of a textarea object or an element in the elements array.
用法
password, select, text, textarea
描述
Use the blur method to remove focus from a specific form element.
例子
The following example removes focus from the password element userPass:
userPass.blur()This example assumes that the password is defined as:
<INPUT TYPE="password" NAME="userPass">
See also
bold method
Causes a string to be displayed as bold as if it were in a <B> tag.
语法
stringName.bold()
stringName is any string or a property of an existing object.
用法
string
描述
Use the bold method with the write or writeln methods to format and display a string in a document.
例子
The following example uses string methods to change the formatting of a string:var worldString="Hello, world"
document.write(worldString.blink())
document.write("<P>" + worldString.bold())
document.write("<P>" + worldString.italics())
document.write("<P>" + worldString.strike())
The previous example produces the same output as the following htm:
<BLINK>Hello, world</BLINK> <P><B>Hello, world</B> <P><I>Hello, world</I> <P><STRIKE>Hello, world</STRIKE>
See also
button object
A pushbutton on an htm form.
语法
To define a button:
<INPUT TYPE="button" NAME="buttonName" VALUE="buttonText" [onClick="handlerText"]>NAME="buttonName" specifies the name of the button object. You can access this value using the name property.
VALUE="buttonText" specifies the label to display on the button face. You can access this value using the value property.
To use a button object's properties and methods:
1. buttonName.propertyName 2. buttonName.methodName(parameters) 3. formName.elements[index].propertyName 4. formName.elements[index].methodName(parameters)buttonName is the value of the NAME attribute of a button object.
formName is either the value of the NAME attribute of a form object or an element in the forms array.
index is an integer representing a button object on a form.
propertyName is one of the properties listed below.
methodName is one of the methods listed below.
Property of
描述
A button object on a form looks as follows:
A button object is a form element and must be defined within a <FORM> tag.
The button object is a custom button that you can use to perform an action you define. The button executes the script specified by its onClick event handler.
Properties
Methods
Event handlers
例子
The following example creates a button named calcButton. The text "Calculate" is displayed on the face of the button. When the button is clicked, the function calcFunction() is called.
See also
评论 (0) All
