saving textarea input's value in to js variable and make it visible everywhere

HTML: JS: $('#guest-button').click(function() { if (window.sessionStorage){ sessionStorage.setItem("gbookmsg", $('#edit-message').val()) } setTimeout(function() { window.location.replace("http://anti-idol.org/user/login"); }, 500); }); $('#edit-message').val(gbookmsg); What i want to achieve is when a user fills textarea inputs with some text and then clicking to a send button - it will save the value of the textarea in to a `gbookmsg` variable. Then when user is redirected to a login page - after he successfully logs in, he goes back to this form and javascript inserts `gbookmsg` input's value filled previously. But when the page reloads my `gbookmsg` variable is getting undefined. How to save it? Thanks
You could persist it in a cookie and then look it up. Or you could send it with the form and pass it through the login process and back down to the client with the response.

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