Function bodyContains

extensions/chrome/tooltipster.js:2014–2019

* A fast function to check if an element is still in the DOM. It * tries to use an id as ids are indexed by the browser, or falls * back to jQuery's `contains` method. * * @param {string|object} ref An id or a jQuery-wrapped HTML element * @return {boolean}

(ref)

	 * @return {boolean}
 	 */
	function bodyContains(ref) {

		var id = (typeof ref === 'string') ? ref : ref.attr('id');

		return id ? !!document.getElementById(id) : $.contains(document.body, ref[0]);
	}
})(jQuery);