<!DOCTYPE html> <html> <head> <script type="text/javascript"> function check_storage() { var elem = document.getElementById("status"); try { localStorage.qute_test = "foo"; elem.innerHTML = "working"; console.log("local storage is working"); } catch (e) { elem.innerHTML = "not working"; console.log("local storage is not working"); } } </script> </head> <body onload="check_storage()"> <p>Local storage status: <span id="status">checking...</span></p> </body> </html>