Todd Mantell toddmantell

Specializing in React, Node/Express, and Testing/Best Practices.

toddmantell / prototypes.js

Created January 13, 2017 14:57

Some examples to facilitate better understanding of the JS Prototypal Inheritance System

	//JavaScript Objects and Prototypes: Two ways of understanding prototypes

	//Constructor function
	function Cat(name, color) {
	this.name = name;
	this.color = color;
	//this.age = 7;
	}

	console.log(Cat.prototype);

toddmantell / Object.freeze-examples.js

Last active January 13, 2017 14:58

Simple example of using JS Object.freeze() function

	//Examples of JS Object.freeze function (mdn: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze)
	let o = {
	name: 'todd',
	age: 34,
	favoriteLanguage: 'JavaScript'
	};

	Object.freeze(o);

	o.newProp = 'this should not get added';