Example
Find out if a number field automatically gets focus upon page load:
var x = document.getElementById("myNumber").autofocus;
The result of x will be:
true
Try it Yourself »
Definition and Usage
The autofocus property sets or returns whether a number field should automatically get focus when the page loads.
This property reflects the HTML autofocus attribute.
Browser Support
The autofocus property is supported in all major browsers.
Note: The autofocus property is not supported in Internet Explorer 9 and earlier versions or in Opera 12 and earlier versions.
Syntax
Return the autofocus property:
numberObject.autofocus
Set the autofocus property:
numberObject.autofocus=true|false
Property Values
| Value | Description |
|---|---|
| true|false |
Specifies whether a number field should get focus when the page loads,
or not
|
Technical Details
| Return Value: | A Boolean, returns true if the number field automatically gets focus when the page loads, otherwise it returns false |
|---|
Related Pages
HTML reference: HTML <input> autofocus attribute
< Input Number Object