onVisibilityChange
The onVisibilityChange function adds a listener for changes in the browser tab's visibility.
Syntax
typescript
onVisibilityChange(listener: () => void): void;Parameters
| Name | Type | Description |
|---|---|---|
listener | () => void | Function called when visibility changes |
Returns
| Name | Type | Description |
|---|---|---|
| – | void | Does not return a value |
Examples
typescript
onVisibilityChange(() => {
if (document.visibilityState === "hidden") {
console.log("The tab became hidden");
}
});Notes
- Useful for pausing or resuming tasks based on tab visibility.