HTML DOM Input Number required Property

# Input Number required Property

Input Number Object

## Example

Find out if a number field must be filled out before submitting a form:

var x = document.getElementById("myNumber").required;

The result of x will be:

true
Try it yourself »

## Definition and Usage

The required property sets or returns whether a number field must be filled out before submitting a form.

This property reflects the HTML required attribute.

## Browser Support

The required property is supported in all major browsers, except Internet Explorer 9 and earlier versions, and Safari.

## Syntax

Return the required property:

numberObject.required

Set the required property:

numberObject.required=true|false

## Property Values

Value | Description
--- | ---

true|false

Specifies whether a number field should be a required part of form submission.

- true - The number field is a required part of form submission
- false - Default. The number field is not a required part of form submission

## Technical Details

Return Value: | A Boolean, returns true if the number field is a required part of form submission, otherwise it returns false

## More Examples

## Example

Set a number field to be a required part of form submission:

document.getElementById("myNumber").required = true;
Try it yourself »

## Related Pages

HTML reference: HTML <input> required attribute

Input Number Object

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