Benchmark: if vs ternary operators zzz

Script Preparation code:

root = {
	name: 'a'
}

Tests:

if
if (root.name === '') { return []; } return [root.name];
ternary
return root.name === '' ? [] : [root.name];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
if
ternary

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Windows

View result in a separate tab

Test name	Executions per second
if	6171690.5 Ops/sec
ternary	6376843.5 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and explain what is being tested.

**Benchmark Description**

The benchmark measures the performance difference between using an `if` statement with a conditional check versus using a ternary operator to achieve the same result.

**Options Compared**

Two options are being compared:

1. **If Statement**: The first option uses an `if` statement with a conditional check.
```javascript
if (root.name === '') {
  return [];
}
return [root.name];
```
2. **Ternary Operator**: The second option uses a ternary operator to achieve the same result.
```javascript
return root.name === '' ? [] : [root.name];
```
**Pros and Cons of Each Approach**

1. **If Statement**:
	* Pros: More readable and maintainable code, as it clearly expresses the conditional logic.
	* Cons: May be slower due to the overhead of a branch prediction miss (if the condition is not met).
2. **Ternary Operator**:
	* Pros: Compact and efficient, as it reduces the number of lines of code and avoids unnecessary branches.
	* Cons: May be less readable, especially for those unfamiliar with ternary operators.

**Library Used**

The benchmark uses the `root` object, which is an empty JavaScript object created using the provided script preparation code:
```javascript
root = {
  name: 'a'
};
```
This suggests that the benchmark is testing the performance of simple JavaScript expressions without any external dependencies or libraries.

**Special JS Feature/ Syntax**

The benchmark does not use any special JavaScript features or syntax beyond what is standard in modern JavaScript. It simply tests the performance difference between two basic control structures.

**Other Alternatives**

To test similar benchmarks, software engineers could also consider comparing:

* **Switch Statement**: A switch statement with a single case can be used to achieve the same result as the `if` statement.
* **Arrow Function**: An arrow function can be used to create a compact and efficient version of the ternary operator.
* **Nullish Coalescing Operator**: The nullish coalescing operator (`??`) can also be used to simplify the ternary operator.

However, these alternatives might not provide a direct comparison to the `if` statement and ternary operator combination being tested in this benchmark.

Related benchmarks:

if vs ternary operators zzz (version: 0)

Comparing performance of: if vs ternary

Created: 5 years ago by: Guest

Jump to the latest result

if

ternary

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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