Run results for: lodash.assign

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:67.0) Gecko/20100101 Firefox/67.0

Browser: Firefox 67

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
lodash.assign	3143421.2 Ops/sec
spread operator	4523820.5 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@3.10.0/index.min.js"></script>

Script Preparation code:

var a = {foo: "foo"};
var b = {bar: "bar"};
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};

Tests:

lodash.assign
var c = _.assign({}, a, b);
spread operator
var c = __assign({}, a, b)

Run results for: lodash.assign

lodash.assign

spread operator