joebalancio / assign-benchmark

Benchmarks Object.assign, lodash's _.assign, and underscore's _.assign

Assign Benchmark

Benchmarks Object.assign, lodash's _.assign, and Underscore's _.assign

Installation

npm install

Usage

npm start

Example Output

lodash#assign 1 x 2,766,210 ops/sec ±1.13% (95 runs sampled)
underscore#assign 1 x 4,397,290 ops/sec ±0.73% (98 runs sampled)
Object#assign 1 x 956,923 ops/sec ±1.02% (92 runs sampled)
lodash#assign 2 x 908,126 ops/sec ±1.29% (93 runs sampled)
underscore#assign 2 x 1,341,048 ops/sec ±1.09% (93 runs sampled)
Object#assign 2 x 305,436 ops/sec ±0.86% (92 runs sampled)
Fastest is underscore#assign 1
Slowest is Object#assign 2

Conclusion

List of implementations ordered by fastest to slowest

1. Underscore's _.assign
2. Lodash's _.assign
3. Object.assign