Benchmark: spread operator vs push test4

Tests:

spread operator true
const abc = true; const test = [ { domain: undefined, iconName: "a", }, { domain: "b", iconName: "b", }, { domain: "c", iconName: "c", }, { domain: "d", iconName: "d", }, { domain: "e", iconName: "e", }, ...(abc ? [{ domain: "f", iconName: "f", }] : []), ...(abc ? [{ domain: "f", iconName: "f", }] : []), ...(abc ? [{ domain: "f", iconName: "f", }] : []) ];
spread operator false
const abc = false; const test = [ { domain: undefined, iconName: "a", }, { domain: "b", iconName: "b", }, { domain: "c", iconName: "c", }, { domain: "d", iconName: "d", }, { domain: "e", iconName: "e", }, ...(abc ? [{ domain: "f", iconName: "f", }] : []), ...(abc ? [{ domain: "f", iconName: "f", }] : []), ...(abc ? [{ domain: "f", iconName: "f", }] : []) ];
Push true
const abc = true; const test = [ { domain: undefined, iconName: "a", }, { domain: "b", iconName: "b", }, { domain: "c", iconName: "c", }, { domain: "d", iconName: "d", }, { domain: "e", iconName: "e", }, ]; if (abc) { test.push({ domain: "f", iconName: "f", }); } if (abc) { test.push({ domain: "f", iconName: "f", }); } if (abc) { test.push({ domain: "f", iconName: "f", }); }
push false
const abc = false; const test = [ { domain: undefined, iconName: "a", }, { domain: "b", iconName: "b", }, { domain: "c", iconName: "c", }, { domain: "d", iconName: "d", }, { domain: "e", iconName: "e", }, ]; if (abc) { test.push({ domain: "f", iconName: "f", }); } if (abc) { test.push({ domain: "f", iconName: "f", }); } if (abc) { test.push({ domain: "f", iconName: "f", }); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
spread operator true
spread operator false
Push true
push false

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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Let's dive into the benchmark.

**Benchmark Overview**

The test compares the performance of three approaches to add elements to an array: using the spread operator (`...`), using the `concat()` method, and using the `push()` method with conditional statements.

**Approaches Compared**

1. **Spread Operator (`...`)**: This approach uses the new ES6 spread operator to create a new array from an existing one, which is then used as part of another array.
2. **Concat() Method**: This approach uses the `concat()` method to concatenate two arrays.
3. **Push with Conditional Statements**: This approach uses conditional statements (`if-else`) to check if a condition is true, and if so, pushes an element onto the array.

**Pros and Cons of Each Approach**

1. **Spread Operator (`...`)**:
	* Pros: concise and expressive syntax, creates a new array without modifying the original one.
	* Cons: may incur additional overhead due to the creation of a new array object.
2. **Concat() Method**:
	* Pros: well-established method, easy to read and understand.
	* Cons: can be slower than the spread operator due to the creation of intermediate arrays.
3. **Push with Conditional Statements**:
	* Pros: simple and familiar syntax, allows for conditional logic.
	* Cons: can lead to indentation issues and make code harder to read.

**Performance Results**

The latest benchmark results show that:

1. The `push` approach with conditional statements is the fastest (average execution speed of 5646132.0 executions per second).
2. The spread operator (`...`) is slightly slower than the `push` approach but still quite fast (average execution speed of 5823666.5 executions per second).
3. The `concat()` method is the slowest (average execution speed of 8193801.5 executions per second).

**Takeaways**

The results suggest that for simple cases, using the spread operator (`...`) can be a good choice due to its concise and expressive syntax. However, if performance is critical, using the `push` approach with conditional statements might be a better option.

It's worth noting that these results are specific to Chrome 100 on Windows 10 and may vary depending on other factors such as JavaScript engine optimizations or specific use cases.

Let me know if you have any further questions!

Related benchmarks:

spread operator vs push test4 (version: 0)

Compare the new ES6 spread operator with the traditional concat() method and push

Comparing performance of: spread operator true vs spread operator false vs Push true vs push false

Created: 4 years ago by: Guest

Jump to the latest result

spread operator true

spread operator false

Push true

push false

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):