Function inView

src/echo.js:25–32

(element, view)

  };
  
  var inView = function (element, view) {
    if (isHidden(element)) {
      return false;
    }

    var box = element.getBoundingClientRect();
    return (box.right >= view.l && box.bottom >= view.t && box.left <= view.r && box.top <= view.b);
  };

  var debounceOrThrottle = function () {
    if(!useDebounce && !!poll) {