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HTML step Attribute

Definition and Usage

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

Example: if step="3", legal numbers could be -3, 0, 3, 6, etc.

Tip: The step attribute can be used together with the 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.

Applies to

The step attribute can be used on the following element:

Element Attribute
<input> step


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

<form action="/action_page.php">
  <input type="number" name="points" step="3">
  <input type="submit">
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Browser Support

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

step 6.0 10.0 16.0 5.0 10.6