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HTML <input> step Attribute

HTML <input> Tag

Example

An HTML form with an input field specified with a legal number interval:

<form action="demo-form.php">
  <input type="number" name="points" step="3">
  <input type="submit">
</form>

Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
step 6.0 10.0 16.0 5.0 10.6

Definition and Usage

The step attribute specifies the legal number intervals for an <input> element.

Example: If step="3", the legal numbers could be -3, 0, 3, 6, and so on.

Tip: The step attribute can be used with max and min attributes to create a range of legal values.

Note: The step attribute works with the following input types: number, range, date, datetime, datetime-local, month, time, and week.


Differences Between HTML 4.01 and HTML5

The step attribute is new in HTML5.


Syntax

<input step="number">

Attribute Values

Value Description
number Specifies the legal number interval for the input field.

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