The DOM PageTransitionEvent is an event which occurs when a user navigates between the webpages.
Property of PageTransitionEvent object
| Property | Explanation |
|---|---|
| persisted | It returns true or false value depending upon whether the webpage was cached or not. |
Types of events belong to PageTransitionEvent object
| Events | Explanation |
|---|---|
| pageHide | It happens when the user navigates away from a webpage. |
| pageShow | It happens when the user navigates to a webpage. |
Example
Let us see an example of PageTransitionEvent object −
<!DOCTYPE html>
<html>
<head>
<style>
body{
text-align:center;
color:#fff;
background: #ff7f5094;
height:100%;
}
.btn{
background:#0197F6;
border:none;
height:2rem;
border-radius:2px;
width:35%;
margin:2rem auto;
display:block;
color:#fff;
outline:none;
cursor:pointer;
}
</style>
</head>
<body>
<h1>DOM PageTransitionEvent Event Demo</h1>
<button onclick="checkPage(event)" class="btn">Click me</button>
<script>
function checkPage(event) {
if (event.persisted) {
confirm("Page was cached by the browser");
} else {
confirm("Page was not cached by the browser");
}
}
</script>
</body>
</html>Output
This will produce the following output −
Click on “Click me” button to know whether the page was cached by the browser or not.
