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<!DOCTYPE html> <html> <body> <h1>The Storage length Property</h1> <p>This example demonstrates how to use the length property to get the number of items stored in the session storage object.</p> <h2>Missing sessionStorage items?</h2> <p>Since you might not have any items stored in your session storage, we have added a script that creates some for you.</p> <button onclick="createItems()">Create session storage items</button> <h2>Get the number of sessionStorage Items</h2> <p>Click the button to get the number of session storage items:</p> <button onclick="myFunction()">Get number of items</button> <p id="demo"></p> <script> function createItems() { sessionStorage.test1 = "hello"; sessionStorage.test2 = "Jim"; sessionStorage.test3 = 358; } function myFunction() { var x = sessionStorage.length; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
