<form class="add">
            <input type="text" name='content' >
            <input type="submit" value="添加">
   </form>
   <script>
        var $form_add = $('.add');
        var store_thing = [];
        $form_add.submit(function(e){
            var new_thing = {};
            e.preventDefault();
            var $input = $(this).find('input[name=content]');
            new_thing.content = $input.val();
            console.log('new',new_thing);
            add(new_thing);
        })
        function add(new_thing){
        store_thing.push(new_thing);
        store.set('store_thing',store_thing);
        }
        var re = store.get('store_thing');
        console.log('store_thing',re);
   </script>