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The function of input statement

angryTom
angryTomOriginal
2019-07-26 17:09:029015browse

The function of input statement

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#HTML58c3a92ba42b587b68231dd6aa265a64 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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