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HTML DOM PopStateEvent Object
The HTML DOM popStateEvent object is an event handler for the popstate event which occurs when window’s history changes.
Property of PopStateEvent
Property | Explanation |
---|---|
state | It returns an object that represents a copy of the history entries. |
Example
Let us see an example of HTML DOM popStateEvent Object −
<!DOCTYPE html> <html> <head> <style> html{ height:100%; } body{ text-align:center; color:#fff; background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) center/cover no-repeat; height:100%; } p{ font-size:1.2rem; } .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 PopStateEvent Event Demo</h1> <button onclick="display()" class="btn">Click Me</button> <script> function display(){ window.onpopstate = function(event) { alert("location: " + document.location + ", state: " + JSON.stringify(event.state)); }; history.pushState({ page: 1 }, "title home", "?page=home"); history.pushState({ page: 2 }, "title about", "?page=about"); history.replaceState({ page: 3 }, "title contact", "?page=contact"); history.back(); history.back(); } </script> </body> </html>
Output
This will produce the following output −
Click on “Click Me” button to understand how PopStateEvent Object works −
Click “Ok” −
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