Function isDisplayed

test/unit/tests/layout.test.js:1–12

(element)

function isDisplayed(element) {
  var originalElement = element;

  while (element && element.parentNode) {
    var display = element.getStyle('display');
    if (display === 'none') {
      return false;
    }
    element = $(element.parentNode);
  }
  return true;
}

var IE8 = Prototype.Browser.IE && navigator.userAgent.indexOf('MSIE 8');