An HTML form with an input field with a specified legal number intervals:
The step attribute is supported in Internet Explorer 10, Opera, Chrome, and Safari.
Note: The step attribute of the <input> tag is not supported in Internet Explorer 9 and earlier versions, or in Firefox.
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.
Note: The step attribute works with the following input types: number, range, date, datetime, datetime-local, month, time and week.
The step attribute is new in HTML5.
|number||Specifies the legal number intervals for the input field|
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