Sync two sliders - JS

<script>

function initSync() {
  initTimeout = setTimeout(syncSliders, 50);
}

function syncOnResize() {
  resizeTimeout = setTimeout(syncSliders, 260);

}

function syncSliders() {
  const	main = bricksData.splideInstances['47db29'],
  			thumbnail = bricksData.splideInstances['636b7b']

   if( main && thumbnail) {
   main.sync(thumbnail)

  }

  clearTimeout(initTimeout);

}



document.addEventListener( 'DOMContentLoaded', initSync)
 window.addEventListener("resize", syncOnResize)


</script>