JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://underscorejs.org/underscore-min.js"></script>

JavaScript

var a = function() {}, l = 50000; window.o = [];

_.extend(a.prototype, {
    initialize: function() {
        _.bindAll(this, "b", "c", "d");
        return this;
    },

    b: function() {},
    c: function() {},
    d: function() {}
});

while (l--) {
    window.o.push(new a().initialize());
}

window.setTimeout(function() {
    window.o = [];
}, 10000);