HTML <input> tag represents HTML input control.
HTML input tag generally used to specify submit button, textbox, checkbox, radio buttons, images and much more within a web page. It is also very useful element for HTML <form> tag to submit web forms.
Note: The <input> tag mostly supported in all major web browsers.
Sample Code
<fieldset>
<legend>Enter Your LogIn Details</legend>
User Name: <input type="text" /><br />
Password: <input type="password" /><br />
<input type="submit" value="LogIn" />
</fieldset>
</form>
Sample Result
Tag Specific Attributes Support
Following are few input tag attributes that are supported by <input> tag.
| Attribute | Value | Description |
|---|---|---|
| align | bottom left middle right top |
Represents the align for the input types |
| alt | alt_text | Represents alternate text especially when the input type is image and display text when image is no longer available on destination |
| autocomplete | off on |
Represents autocomplete feature for an input element to turn on or off |
| checked | checked | Represents whether an input element is checked or not on page load especially when the input type is checkbox or radio button |
| disabled | disabled | Represents whether an input element is disabled or not on page load |
| height | pixel | Represents the height especially when the input type is image |
| maxlength | number | Represents the maximum length(in characers) to be inputted for the input elements especially when the input type is text or password |
| name | input_name | Represents the name of the input element |
| src | url | Represents url to link image within web page especially when the input type is image |
| type | button checkbox file hidden password radio reset search submit text url etc. |
Represents the type of the input element |
| value | value_text | Represents the value for the input elements |
| width | pixel | Represents the width especially when the input type is image |
Standard Attributes Support
HTML <input> tag supports mostly all HTML Attributes. Following are some most common attributes that are used by <input> tag. You can get more details about available HTML Attributes here.
| Attribute | Value | Description |
|---|---|---|
| class | user_defined | Represents a style for an element which is used in CSS style sheet |
| id | user_defined | Represents unique id for an element |
| lang | lang_code | Represents the language of the element for it’s content |
| style | css_properties | Represents an inline style for an element for e.g style=”color:red;text-decoration:underline;” |
| title | user_defined | Represents a tooltip information for an elements like img, a, abbr etc |
Event Attributes Support
The “script” is invoked when a certain “event” occurs. Each event handler content attribute deals with a different event. HTML <input> tag supports mostly all HTML Event Attributes. Following are some most common event attributes that are used by <input> tag. You can get more details about available HTML Event Attributes here.
| Attribute | Value | Description |
|---|---|---|
| onclick | script | Event Fires immediately when mouse click on the specified element |
| ondblclick | script | Event Fires immediately when mouse double-click on the specified element |
| onkeydown | script | Event Fires immediately when user is pressing a down key from keyboard |
| onkeypress | script | Event Fires immediately when user presses a key from keyboard |
| onkeyup | script | Event Fires immediately when user releases a key from keyboard |
| onmousedown | script | Event Fires immediately when mouse pointer gets down from an element |
| onmousemove | script | Event Fires immediately when mouse pointer moves over an element |
| onmouseout | script | Event Fires immediately when mouse pointer gets out from an element |
| onmouseover | script | Event Fires immediately when mouse pointer moves over an element |
| onmouseup | script | Event Fires immediately when a mouse pointer is released over an element |
