function isDom(obj) {
	        try {
	            return obj instanceof HTMLElement;
	        }
	        catch (e) {
	            return (typeof obj === "object") &&
	                (obj.nodeType === 1) && (typeof obj.style === "object") &&
	                (typeof obj.ownerDocument === "object");
	        }
	    }
Check is dom object
@param {object} dom
@returns {Boolean}