object.join.js

;(function() {
	/*	see also: http://jsfiddle.net/SpYk3/uUyrc/	*/
	function joinObj() {
		var obj = [], str = "", ret = [],
			args = Array.prototype.slice.call(arguments, 0);
		for (var x in args) switch (typeof args[x]) {
			case 'object':
				obj[x] = args[x];
				break;
			case 'string':
				str = args[x];
				break;
		}
		for (var y in obj) {
			var ob = obj[y]
			for (var z in obj[y]) if (obj[y].hasOwnProperty(z)) switch (typeof obj[y][z]) {
				case "string":
					ret.push(obj[y][z]);
					break;
				case "object":
					var a = joinObj(obj[y][z], str);
					if (a) ret.push(a);
					break;
				default:
					if (obj[y][z]['valueOf']) ret.push(obj[y][z].valueOf());
			}
		}
		return ret ? ret.join(str) : "";
	}
	
	//	add as window variable
	window.hasOwnProperty("joinObj")||(window.joinObj=joinObj);
	
	//	add as method of an object ( exp: obj.join("str"); )
	var name = 'join';
	function method(str) { return joinObj(this,str); }
	Object['defineProperty'] && !Object.prototype.hasOwnProperty(name)
		? Object.defineProperty(Object.prototype, name, { value: method }) : Object.prototype[name] = method;
	
	//	add as a jQuery extension
	if (window.hasOwnProperty('jQuery')) {
		jQuery.joinObj || (jQuery.extend({
			joinObj: function() {
				var args = Array.prototype.slice.call(arguments, 0);
				for (var x in args) if (args[x] instanceof jQuery && args[x][0] && args[x][0] instanceof Element) args[x] = args[x].text();
				return joinObj.apply(this, args);
			}
		}),
		jQuery.fn.extend({
			joinObj: function() {
				var args = Array.prototype.slice.call(arguments, 0);
				return jQuery.joinObj.apply(this, args.concat([$(this)]))
			}
		}))
	}
})();