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");
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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");
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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
