The pageshow event is fired when a session history entry is being traversed to. (This includes back/forward as well as initial page-showing after the onload event.)
| Property | Type | Description |
|---|---|---|
target Read only
| EventTarget | The event target (the topmost target in the DOM tree). |
type Read only
| DOMString | The type of event. |
bubbles Read only
| Boolean | Whether the event normally bubbles or not. |
cancelable Read only
| Boolean | Whether the event is cancellable or not. |
persisted Read only
| boolean | Persisted user state. |
The following will log info about the pageshow event, which is fired on back/forward, not just after onload:
window.addEventListener('pageshow', function(event) {
console.log('pageshow:');
console.log(event);
}); While not best-practice, you can also add the event as an attribute on the body tag, same as onload:
<body onload="myonload()" onpageshow="mypageshowcode()">
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 4 | (Yes) | 1.5 (1.8) | 11 | 15 | 5 |
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | 2.3 | (Yes) | ? | 11 | 35 | 5.1 |
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https://developer.mozilla.org/en-US/docs/Web/Events/pageshow