HTML5 Tutorials & More

<input> Tag

The <input> tag defines the start of an input field where the user can enter data.

Supported In HTML4: Yes

Supported In HTML5: Yes

HTML4 vs HTML5 Differences: In HTML 4.01 the "align" attribute was deprecated, and is not supported in HTML 5, use CSS to align input elements. HTML 5 has many new attributes. In HTML 5 the type attribute has a lot of new values.

Attributes

Title Values Description HTML4 Support HTML5 Support
accept list_of_mime_types A comma-separated list of MIME types that indicates the MIME type of the file transfer. Note: Only used with type="file" Yes Yes
alt text Defines an alternate text for the image. Note: Only used with type="image" No No
autocomplete on off If "on" browsers can store the form's input values, to auto-fill the form if the user returns to the page. If "off" browsers should not store this information. No No
autofocus autofocus Makes the input field focused on page load Note: Cannot be used with type="hidden" No No
checked checked Indicates that the input element should be checked when it first loads. Note: Used with type="checkbox" and type="radio" No No
disabled disabled Disables the input element when it first loads so that the user can not write text in it, or select it. Note: Cannot be used with type="hidden" No No
form formname Defines one ore more forms the input field belongs to. No No
formaction URL Overrides the form's action attribute. Must be a valid URL that defines where to send the data when the form is submitted. No No
formenctype application/x-www-form-urlencoded multipart/form-data text/plain Overrides the form's enctype attribute. Defines the mime type used to encode the content of the form. No No
formmethod get post put delete Overrides the form's method attribute. Defines the HTTP method for sending data to the action URL. No No
formnovalidate true false Overrides the form's novalidate attribute. If "true" the input field should not be validated when submitted. No No
formtarget _blank _self _parent _top Overrides the form's target attribute. Where to open the target URL. blank - the target URL will open in a new window _self - the target URL will open in the same frame as it was clicked _parent - the target URL will open in the parent frameset _top - the target URL will open in the full body of the window No No
height pixels % Defines the height of an input field. No No
list id of a datalist Reference to a datalist element. If defined, a suggestion list (drop down list?) should be displayed, with predefined opions. No No
max number Defines the maximum number of characters allowed in a text field. No No
maxlength number Defines the maximum number of characters allowed in a text field. No No
min number The input field's minimum value. Use togheter with the "max" attribute to create a range of legal values. No No
multiple multiple If present the user is allowed more than one value. No No
name fieldname Defines a unique name for the input element. The name attribute is used to collect the fields value when submitted. No No
pattern JavaScript Pattern Defines a pattern or format for the input field's value. Example: pattern="[0-9]" means that the input value must be a number between 0 an 9. Use the standard "title" attribute to describe the pattern. No No
placeholder text Indicates that the value of this field cannot be modified. No No
required required Defines if the input field's value is required in order to submit the form Note: Cannot be used with type: hidden, image, button, submit, reset No No
size number of characters Defines how many characters should be visible in the input field. No No
src URL Defines the URL of the image to display. Use with type="image" No No
step number any Allowed when type=date,datetime,datetime-local,month,week,time,number, or range. No No
type button checkbox color date datetime datetime-local email file hidden image month number password radio range reset search submit tel text time url week Indicates the type of the input element. The default value is "text" Note: This is not a required attribute, but we think you should include it. No No
value value For buttons: Defines the text on the button. For image buttons: Defines the symbolic result of the field passed to a script. For checkboxes and radio buttons: Defines the result of the input element when clicked. The result is sent to the form's action URL. For hidden, password, and text fields: Defines the default value of the element. Note: Cannot be used with type="file" Note: This attribute is required with type="checkbox" and type="radio" No No
width pixels % Defines the width of an input field. No No

Standard Attributes

All standard attributes are supported.

Event Attributes

All event attributes are supported.

HTML5 Tags