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HTML DOM Input Number Object


Input Number Object

The Input Number Object is new in HTML5.

The Input Number object represents an HTML <input> element with type="number".

Note: <input> elements with type="number" are not supported in Internet Explorer 9 and earlier versions.

Access an Input Number Object

You can access an <input> element with type="number" by using getElementById():

var x = document.getElementById("myNumber"); Try it

Tip: You can also access <input type="number"> by searching through the elements collection of a form.

Create an Input Number Object

You can create an <input> element with type="number" by using the document.createElement() method:

var x = document.createElement("INPUT");
x.setAttribute("type", "number");
Try it

Input Number Object Properties

Property Description
autocomplete Sets or returns the value of the autocomplete attribute of a number field
autofocus Sets or returns whether a number field should automatically get focus when the page loads
defaultValue Sets or returns the default value of a number field
disabled Sets or returns whether a number field is disabled, or not
form Returns a reference to the form that contains the number field
list Returns a reference to the datalist that contains the number field
max Sets or returns the value of the max attribute of a number field
min Sets or returns the value of the min attribute of a number field
name Sets or returns the value of the name attribute of a number field
placeholder Sets or returns the value of the placeholder attribute of a number field
readOnly Sets or returns whether the number field is read-only, or not
required Sets or returns whether the number field must be filled out before submitting a form
step Sets or returns the value of the step attribute of a number field
type Returns which type of form element the number field is
value Sets or returns the value of the value attribute of a number field

Input Number Object Methods

Method Description
stepDown() Decrements the value of the input number by a specified number
stepUp() Increments the value of the input number by a specified number

Standard Properties and Events

The Input Number object also supports the standard properties and events.


Related Pages

HTML tutorial: HTML Forms

HTML reference: HTML <input> tag

HTML reference: HTML <input> type attribute