text: const container = document.getElementById("container-demo");
  const ul = container.firstElementChild;
  
  const selectable = new Selectable({
  	appendTo: ul,
  	autoScroll: {
  		increment: 10,
  		threshold: 0
  	},
  	lasso: {
  		borderColor: "#fff",
  		backgroundColor: "rgba(255, 255, 255, 0.2)"
  	}
  });
  
  
  const frag = document.createDocumentFragment();
  for ( let i = 0; i < 128; i++ ) {
  	const li = document.createElement("li");
  	li.classList.add("ui-selectable");
  	frag.appendChild(li);
  }
  ul.appendChild(frag);
  
  selectable.add(ul.children);