//retrieve current state

 $('#container').toggleClass(localStorage.toggled);

​

    /* Toggle */

    $('.bar-toggle').on('click',function(){

​

       //localstorage values are always strings (no booleans)  

​

       if (localStorage.toggled != "with_toggle" ) {

          $('#container').toggleClass("with_toggle", true );

          localStorage.toggled = "with_toggle";

       } else {

          $('#container').toggleClass("with_toggle", false );

          localStorage.toggled = "";

       }

​

    });