W3school input attributes

The min and max Attributes. The input min and max attributes specify the minimum and maximum values for an input field. Tip: Use the max and min attributes together to create a range of legal values.

If the type attribute is not specifie the default type is "text". What is a pattern attribute? However, you can set restrictions on what numbers are accepted with the attributes below. The title attribute (and all other attributes ) can be written with uppercase or lowercase like title or TITLE.

However, W3C recommends lowercase attributes in HTML, and demands lowercase attributes for stricter document types like XHTML. At W3Schools we always use lowercase attribute names. Radio buttons are normally presented in radio groups (a collection of radio buttons describing a set of related options).

Only one radio button in a group can be selected at the same time. A text area can hold an unlimited number of characters, and the text renders in a fixed-width font (usually Courier).

Definition and Usage. HTML Forms HTML Form Elements HTML Input Types HTML Input Attributes HTML5.

The radio button state represents a type attribute whose value is "radio" represents a selection of one item from a list of items (a radio button). The HTML name attribute defines the name of an input element.

The name and value attribute are included in HTTP request when we submit the form. Note: One should not omit the name attribute as when we submit the form the HTTP request includes both name-value pair and if name is not available it will not process that input field. Disallows the user from editing the value of the input. Specifies placeholder text in a. Tip: Learn more about regular expressions in our JavaScript tutorial.

Gives the default checkedness of the input element. When specifie the element is required. Case-insensitive attribute values.

In case you’re needing to correct for possible capitalization inconsistencies in your data attributes, the attribute selector has a case-insensitive variant for that. The alt attribute specifies an alternative text to be use when an image cannot be displayed. The value of the attribute can be read by screen readers.

This way, someone "listening" to the webpage, e. The purpose of the HTML name attribute is to specify a name for an element. Value of the name attribute works as an identifier of the element.

Based on growing pressure from the webmaster community, HTML has finally given in, by giving us a new "data" attribute that lets you define custom attributes in a structured way within HTML elements. The accept attribute specifies the different content types the form application will process correctly. This attribute is only used if the type attribute of the input element is set to "file".

It is recommended to use server side validation on file uploading. Tip: The step attribute can be used together with the max and min attributes to create a range of legal values. It is a hint to browsers to only show files that are allowed for the current input. A control that lets the user select a file.

Use the accept attribute to define the types of files that the control can select. The Input (Form Input ) element - examplefile - code sample.