zoolu-got-rhythm/function constructor es5

## function constructor es5
function Node(node){
   if(typeof node !== "string"){
       throw new Error("please inset a string");
   } else {
       this.node = node;
   }
}

var node1 = new Node("kieron");
	function Node(node){
	if(typeof node !== "string"){
	throw new Error("please inset a string");
	} else {
	this.node = node;
	}
	}

	var node1 = new Node("kieron");