src/js/createAbsoluteAnchor.js
function (event) {
    var target = event.target;
    if ((target !== absoluteAnchor) && !util.isChildOf(target, absoluteAnchor)) {
      destroy();
    }
  }
function (event) {
    var target = event.target;
    if ((target !== absoluteAnchor) && !util.isChildOf(target, absoluteAnchor)) {
      destroy();
    }
  }
create and attach event listeners