Injecting a Wistia video after encoding has finished

script.js

var interval = setInterval(function() {
  $.ajax({
    url: "https://api.wistia.com/v1/medias/" + HASHED_ID + ".json?api_password=" + WISTIA_API_TOKEN,
    success: function(data) {
      // Update the encoding progress bar
      $(".progress .bar").css("width", Math.round(100 * data.progress) + "%");
      // Inject the video when ready
      if (data.status == "ready") {
        $("#container").append($("<div/>").addClass("wistia_embed wistia_async_" + HASHED_ID));
        clearInterval(interval);
      }
    }
  });
}, 1000);