HTML <input> Tag
Example
A simple HTML form with two input fields and one submit button:
<form
action="form_action.asp"
method="get">
First name: <input type="text" name="fname"
/><br />
Last name:
<input type="text" name="lname"
/><br />
<input type="submit" value="Submit" />
</form> |
Try it yourself »
(more examples at the bottom of this page) |
Definition and Usage
The <input> tag is used to select user information.
An input field can vary in many ways, depending on the type attribute. An input field can be a text field, a checkbox, a password field, a radio button, a button, and more.
Browser Support
The <input> tag is supported in all major browsers.
Differences Between HTML and XHTML
In HTML, the <input> tag has no end tag.
In XHTML, the <input> tag must be properly closed, like this <input />.
Tips and Notes
Tip: Use the <label> tag to define labels for input elements.
Optional Attributes
DTD indicates in which HTML 4.01/XHTML 1.0
DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.
| Attribute |
Value |
Description |
DTD |
| accept |
MIME_type |
Specifies the types of files that can be submitted through a file upload (only for type="file") |
STF |
| align |
left
right
top
middle
bottom |
Deprecated. Use styles instead.
Specifies the alignment of an image input (only for type="image") |
TF |
| alt |
text |
Specifies an alternate text for an image input (only for type="image") |
STF |
| checked |
checked |
Specifies that an input element should be preselected when the page loads (for type="checkbox" or type="radio") |
STF |
| disabled |
disabled |
Specifies that an input element should be disabled when the page loads |
STF |
| maxlength |
number |
Specifies the maximum length (in characters) of an input field (for type="text" or type="password") |
STF |
| name |
name |
Specifies a name for an input element |
STF |
| readonly |
readonly |
Specifies that an input field should be read-only (for type="text" or type="password") |
STF |
| size |
number |
Specifies the width of an input field |
STF |
| src |
URL |
Specifies the URL to an image to display as a submit button |
STF |
| type |
button
checkbox
file
hidden
image
password
radio
reset
submit
text |
Specifies the type of an input element |
STF |
| value |
value |
Specifies the value of an input element |
STF |
Standard Attributes
The <input> tag supports the following standard attributes:
| Attribute |
Value |
Description |
DTD |
| accesskey |
character |
Specifies a keyboard shortcut to access an element |
STF |
| class |
classname |
Specifies a classname for an element |
STF |
| dir |
rtl
ltr |
Specifies the text direction
for the content in an element |
STF |
| id |
id |
Specifies a unique id for an element |
STF |
| lang |
language_code |
Specifies a language code for the content in an element |
STF |
| style |
style_definition |
Specifies an inline style for an element |
STF |
| tabindex |
number |
Specifies the tab order of an element |
STF |
| title |
text |
Specifies extra information about an element |
STF |
| xml:lang |
language_code |
Specifies a language code for the content in an element, in
XHTML documents |
STF |
More information about Standard Attributes.
Event Attributes
The <input> tag supports the following event attributes:
| Attribute |
Value |
Description |
DTD |
| onblur |
script |
Script to be run when an element loses focus |
STF |
| onchange |
script |
Script to be run when an element change |
STF |
| onclick |
script |
Script to be run on a mouse click |
STF |
| ondblclick |
script |
Script to be run on a mouse double-click |
STF |
| onfocus |
script |
Script to be run when an element gets focus |
STF |
| onmousedown |
script |
Script to be run when mouse button is pressed |
STF |
| onmousemove |
script |
Script to be run when mouse pointer moves |
STF |
| onmouseout |
script |
Script to be run when mouse pointer moves out of an
element |
STF |
| onmouseover |
script |
Script to be run when mouse pointer moves over an
element |
STF |
| onmouseup |
script |
Script to be run when mouse button is released |
STF |
| onkeydown |
script |
Script to be run when a key is pressed |
STF |
| onkeypress |
script |
Script to be run when a key is pressed and released |
STF |
| onkeyup |
script |
Script to be run when a key is released |
STF |
| onselect |
script |
Script to be run when an element is selected |
STF |
More information about Event Attributes.
 |
Try it Yourself - Examples |
Password fields
How to define a password field.
Create a button
How to define a button with your own text.
Form with checkboxes
A form with two checkboxes and a submit button.
Form with radiobuttons
A form with two radio buttons and a submit button.
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