Načtení paralaxu až po lazy nacteni obrazku na pozadi

<section id="tesimeSe" class="b-lazy jarallax b-loaded" style="background-image: url(&quot;https://xxx.cz/wp-content/uploads/2019/09/bg_tesime-se.jpg&quot;);">
  </section>

  var bLazy = new Blazy({
    success: function(ele){
            console.log(ele);
        },
        offset: 500,

        breakpoints: [{
             width: 768, // max-width
                   src: 'data-src-sm'
         },
         {
             width: 1200, // max-width
                   src: 'data-src-md'
          }
        ]
    });

  $('.jarallax').jarallax({
    speed: 0.2
  });