HTML DOM input text 对象

输入文本对象

输入文本对象表示 type="text" 的 HTML <input> 元素。

您可以使用 getElementById() 访问 type="text" 的 <input> 元素：

var x = document.getElementById("myText");

提示：您还可以通过搜索来访问 <input type="text">元素表格的集合。

您可以使用 document.createElement() 方法创建 type="text" 的 <input> 元素：

var x = document.createElement("INPUT");
x.setAttribute("type", "text");

Property	Description
autocomplete	Sets or returns the value of the autocomplete attribute of a text field
autofocus	Sets or returns whether a text field should automatically get focus when the page loads
defaultValue	Sets or returns the default value of a text field
disabled	Sets or returns whether the text field is disabled, or not
form	Returns a reference to the form that contains the text field
list	Returns a reference to the datalist that contains the text field
maxLength	Sets or returns the value of the maxlength attribute of a text field
name	Sets or returns the value of the name attribute of a text field
pattern	Sets or returns the value of the pattern attribute of a text field
placeholder	Sets or returns the value of the placeholder attribute of a text field
readOnly	Sets or returns whether a text field is read-only, or not
required	Sets or returns whether the text field must be filled out before submitting a form
size	Sets or returns the value of the size attribute of a text field
type	Returns which type of form element a text field is
value	Sets or returns the value of the value attribute of the text field

Method	Description
blur()	Removes focus from a text field
focus()	Gives focus to a text field
select()	Selects the content of a text field

输入文本对象还支持标准特性和事件。