Edit in JSFiddle

function supports_html5_storage() {
    try {
        window.localStorage.setItem( 'checkLocalStorage', true );
        window.localStorage.removeItem( 'checkLocalStorage' );
        return true;
    } catch ( error ) {
        return false;
    };
};

document.getElementById( 'result' ).textContent = 
    'localstorage: ' + supports_html5_storage();

<div id="result"></div>





























































































<script>
    initializeHeader( 
        'HTML5 localStorage getItem issue in IE8',
        'http://stackoverflow.com/q/15319084/918414'
    );
</script>