Input Number requiredProperty

Example

Check whether the number field is required before submitting the form:

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

xThe output result is:

true

The required property is used to set or return whether the number field is a required field in the form.

This property reflects the HTML required attribute.

All major browsers support the value property.

Note:Internet Explorer 9 and earlier IE versions do not support <input> elements with the type="number" attribute.

Return the required property:

numberObject.required

Set the required property:

numberObject.required=true|false

Value	Description
true\|false	Describes whether the number field is a required part before form submission. true - The number field is a required part of the form false - Default. The number field is an optional part of the form

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

Set the number field as a required part of the form:

document.getElementById("myNumber").required = true;