javascript-patterns/object-creation-patterns/sugar-method.html at master · Pythoning/javascript-patterns · GitHub

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<!doctype html>
<html lang="en">
	<head>
		<title>JavaScript Patterns</title>
		<meta charset="utf-8">
	</head>
	<body>
		<script>
			/* Title: method() Method
			 Description: adding convenient functionality to a language
			 */

			if (typeof Function.prototype.method !== "function") {
				Function.prototype.method = function (name, implementation) {
					this.prototype[name] = implementation;
					return this;
				};
			}

			var Person = function (name) {
				this.name = name;
			}.
					method('getName',
					function () {
						return this.name;
					}).
					method('setName', function (name) {
						this.name = name;
						return this;
					});

			var a = new Person('Adam');
			console.log(a.getName()); // 'Adam'
			console.log(a.setName('Eve').getName()); // 'Eve'
		</script>
	</body>
</html>