This event is called on window every time the active history state changes, with the current state as the callback parameter:
window.onpopstate = event => {
console.log(event.state)
}
or
window.addEventListener('popstate', event => {
console.log(event.state)
})
will log the new state object (the first parameter passed to pushState or replaceState) every time you call history.back(), history.forward() or history.go().
Lessons in this unit:
| 0: | Introduction |
| 1: | Navigating the history |
| 2: | Add an entry to the history |
| 3: | Modify history entries |
| 4: | Access the current history entry state |
| 5: | ▶︎ The `popstate` event |
| 6: | The `hashchange` event |
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