The function of input statement

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#HTML

A simple HTML form containing two text input boxes and a submit button:

<form action="form_action.asp" method="get">
  First name: <input type="text" name="fname" />
  Last name: <input type="text" name="lname" />
  <input type="submit" value="Submit" /></form>

Definition and usage

tag is used to collect user information.

According to different type attribute values, the input field has many forms. Input fields can be text fields, checkboxes, masked text controls, radio buttons, buttons, etc.

Properties

##Propertiesacceptmime_typealignDeprecated. altautocompleteautofocus Specifies whether the input field gets focus when the page loads. checkeddisabledformformnameformactionURLOverride the action attribute of the form. formenctypeOverride the enctype attribute of the form. formmethodOverride the method attribute of the form. formnovalidateOverride the novalidate attribute of the form. formtargetOverride the form's target attribute. heightlistdatalist-idmaxSpecifies the maximum value of the input field. maxlengthminSpecifies the minimum value of the input field. multiplenamepatternregexp_patternSpecifies the pattern or format of the value of the input field.

Value	Description
	Specifies the type of file submitted via file upload.
	left right top middle bottom	Specifies the alignment of image input.
text	Define the alternative text for the image input.
	on off Specifies whether to use the input field autocomplete feature.
autofocus		(Not applicable to type="hidden")
checked	Specifies that this input element is the first time Should be selected when loading.
disabled	Disables this element when the input element loads.
	Specifies one or more forms to which the input field belongs.
		(Applies to type="submit" and type="image")
See note		(Applies to type="submit" and type="image")
	get post	(Applies to type="submit" and type="image")
formnovalidate		If this attribute is used, validation will not be performed when submitting the form.
	_blank _self _parent _top framename	(Applies to type="submit" and type="image")
	pixels % Define the height of the input field. (Applies to type="image")
	refers to a predefined containing input field datalist of options.
	number date	Please use it with the "min" attribute to create a range of legal values.
number	Specifies the maximum length of characters in the input field.
	number date	Please use it with the "max" attribute to create a range of legal values.
multiple	If this attribute is used, more than one value is allowed.
field_name	Define the name of the input element.
		For example, pattern="[0-9]" means that the input value must be a number between 0 and 9.
placeholder	text	Specifies prompts to help the user fill in the input field.
readonly	readonly	Specifies that the input field is read-only.
required	required	Indicates that the value of the input field is required.
size	number_of_char	Define the width of the input field.
src	URL	Defines the URL of the image displayed as a submit button.
step	number	Specifies the legal digit interval of input characters.
type	button checkbox file hidden image password radio reset submit text	Specify the type of input element.
value	value	Specifies the value of the input element.
width	pixels %	Define the width of the input field. (Applies to type="image")

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