JSFiddle - React, Tailwind, and code Playground

by nuysoft

JavaScript 1.7

var options = {
    foo: {
        bar: Math.random()
    }
}

var options1 = $.extend({}, options)
options1.foo.bar = Math.random()
var options2 = $.extend({}, options)
options2.foo.bar = Math.random()

alert([
    options.foo.bar,
    options1.foo.bar,
    options2.foo.bar
])