const wideObject = { one: "one", two: "two", three: "three", four: "four", five: "five", six: "six" }
const narrowObject = { foo: "bar" }
const finalObject = {
wideObject,
narrowObject
};
const wideObject = { one: "one", two: "two", three: "three", four: "four", five: "five", six: "six" }
const narrowObject = { foo: "bar" }
const finalObject = {
narrowObject,
wideObject
};
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Spread wide then narrow | |
Spread narrow then wide |
Test name | Executions per second |
---|---|
Spread wide then narrow | 364875.1 Ops/sec |
Spread narrow then wide | 86712.8 Ops/sec |
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.
The provided benchmark is designed to measure and compare the performance of two approaches when using the JavaScript spread operator (...
).
What are the options being compared?
In this benchmark, we have two test cases:
Pros and Cons of each approach:
In general, the choice between these approaches depends on the specific use case and the properties of the objects being manipulated. MeasureThat.net allows you to experiment with different scenarios to determine which approach is more suitable for your needs.
Library usage:
None of the test cases explicitly use any libraries. The benchmark only relies on standard JavaScript functionality, including the spread operator (...
).
Special JS feature or syntax:
The benchmark utilizes a specific syntax related to the spread operator, but no special features or syntax are used beyond that. If you're interested in exploring more advanced topics, such as modern JavaScript features (e.g., async/await, destructuring), MeasureThat.net may have additional benchmarks.
Alternatives:
If you'd like to explore similar benchmarks or compare performance of other JavaScript constructs, here are some alternatives:
In conclusion, this benchmark on MeasureThat.net allows you to experiment with two different approaches to using the JavaScript spread operator, helping you determine which approach is more efficient in your specific use cases.