JSFiddle - React, Tailwind, and code Playground

JavaScript

// Are these two patterns the same performance/memory-wise

function MyConstructor() {
    function someMethod() {
        console.log('foo');
    }
}
var instanceA = new MyConstructor();

function OtherConstructor() {}
OtherConstructor.prototype = {
    someMethod: function () {
        console.log('foo');
    }
}
var instanceB = new OtherConstructor();