console 命令行工具 X clear

console

var CreateDiv = function(html){
			this.html = html;
			this.init();
		}

		CreateDiv.prototype.init = function(){
			var div = document.createElement('div');
			div.innerHTML = this.html;
			document.body.appendChild(div)
		}

		var ProxySingletonCreateDiv = (function(){
			var instance;
			return function(html){
				if(!instance){
					instance = new CreateDiv(html)
				}
				return instance
			}
		})();
		console.log()
		console.log(new ProxySingletonCreateDiv('seven1') === new ProxySingletonCreateDiv('seven2'))

<html>
    <body>
	
</body>
</html>