Text 对象

The Text object represents a text field in an HTML form. For each instance of an <input type="text"> tag in an HTML form, a Text object is created.
Text 对象代表了HTML表单中的text field，每当HTML表单中出现<input type="text">标签就意味着Text 对象被建立起来了

You can access a Text object by indexing the elements array (by number or name) of the corresponding form or by using getElementById().
你可以从表单数组的数字或是名称来访问Text 对象，或是使用getELmentById()来访问它

IE: Internet Explorer, F: Firefox, N: Netscape, W3C: World Wide Web Consortium (Internet Standard).

Text 对象属性

Property 属性	Description 描述	IE	F	N	W3C
accept	Sets or returns a list of content types, which the server processing this form will handle correctly 设置或返回内容的类型，让服务器更准确的处理这个表单	-			Yes
accessKey	Sets or returns the keyboard key to access the text field 设置或返回能够访问 text field 的键盘按键。	4	-	-	Yes
align	Sets or returns the alignment of the text field according to the surrounding text 设置或返回 text field 相对周围文字的对齐方式	-			Yes
alt	Sets or returns an alternate text to display if the browser does not support text fields 设置或返回对于那些无法支持 text field 浏览器的替换文字。	-			Yes
defaultValue	Sets or returns the initial value of the text field 设置或返回 text field的初始值	3	1	2	Yes
disabled	Sets or returns whether or not the text field should be disabled 设置或返回 text field是否应该禁用。	5	1	6	Yes
form	Returns a reference to the text field's parent form 返回包含 text field 表单的参考	3	1	2	Yes
id	Sets or returns the id of the text field (In IE 4 this property is read-only) 设置或返回 text field的id(在IE4中这个属性只读)	4	1		No
maxLength	Sets or returns the maximum number of characters in the text field 设置或返回 text field中最大限度字符数	4	1	6	Yes
name	Sets or returns the name of the text field 设置或返回 text field的name	3	1	2	Yes
readOnly	Sets or returns whether or not the text field should be read-only 设置或返回 text field是否为只读	4	1	6	Yes
size	Sets or returns the size of the text field 设置或返回 text field 的大小	3	1	6	Yes
tabIndex	Sets or returns the tab order for the text field 设置或返回 text field由tab顺序所定义的索引	4			Yes
type	Returns the type of the form element. For a text object it will always be "text" 返回表单元素类型，是 text field的话就会返回为" text field"	3	1	3	Yes
value	Sets or returns the value of the value attribute of the text field 设置或返回 text field value属性的值	3	1	2	Yes

Text 对象方法

Method 方法	Description 描述	IE	F	N	W3C
blur()	Removes focus from the text field 取消 text field的聚焦	4	1	2	Yes
click()	Simulates a mouse-click in the text field 模仿鼠标点击 text field	4			No
focus()	Sets focus on the text field 让 text field 获得聚焦	3	1	2	Yes
select()	Selects the content of the text field 选中 text field 的内容	4	1	2	Yes

Text 对象事件

Syntax: object.event_name="someJavaScriptCode"
语法：对象.事件名称=“一些JS代码”

Event 事件	Description 描述	IE	F	N	W3C
onBlur	Executes some code when the text field loses focus 当 text field失去聚焦的时候执行一些代码	4	1	2
onChange	Executes some code when the text field loses focus and its value has altered 当 text field失去聚焦并且它的值发生变动的时候执行一些代码	3	1	2
onClick	Executes some code when the user clicks the left mouse button in the text field 当用户在 text field中用鼠标左键点击时执行一些代码	4
onFocus	Executes some code when the text field gets focus 当 text field获得聚焦的时候执行一些代码	3	1	2
onKeyDown	Executes some code when a key is pressed in the text field 在 text field中有键按住的时候执行一些代码	4	1	4
onKeyPress	Executes some code when an alphanumeric key is pressed in the text field 当 text field 中有键按下并释放后执行一些代码	4	1	4
onKeyUp	Executes some code when a key is released in the text field 当 text field 中按键释放则执行一些代码	4	1	4
onSelect	Executes some code when the current selection is changed in the text field 当 text field里当前选中的内容发生变化时执行一些代码	3	1	2
onSelectStart	Executes some code when some text in the text field is selected 当 text field中一些文字被选中则执行一些代码	4

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