HTML DOM hasFocus()Method
Element ObjectExamples
Output text information after the document gains focus:
var x = document.getElementById("demo");
if (document.hasFocus()) {
x.innerHTML = "The document has gained focus.";
} else {
x.innerHTML = "The document has lost focus.";
}
if (document.hasFocus()) {
x.innerHTML = "The document has gained focus.";
} else {
x.innerHTML = "The document has lost focus.";
}
Try it Yourself »
Definition and Usage
The hasFocus() method returns a Boolean value, used to detect whether the document (or any element within the document) has focus.
Browser Support
The numbers in the table specify the first browser version that supports the method.
| Method | |||||
|---|---|---|---|---|---|
| hasFocus() | 30.0 | 6.0 | 3.0 | Yes | 23.0 |
Syntax
document.hasFocus()
Parameters
| None |
Technical Details
| Return Value: | A Boolean value, used to detect whether the document or element has focus:
|
|---|
Other Extensions