Benchmark: If/Else vs Ternary

Tests:

If/Else
const number = 600; if ( number ) return true; else return false;
Ternary With Explicit Return
const number = 600; return number < 600 ? true : false;
Eval return
const number = 600; return number < 600;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
If/Else
Ternary With Explicit Return
Eval return

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Safari/537.36

Browser/OS: Chrome 94 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
If/Else	795324544.0 Ops/sec
Ternary With Explicit Return	797178880.0 Ops/sec
Eval return	795170112.0 Ops/sec

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

LLMs can make mistakes. Check important info.

The provided JSON represents a JavaScript microbenchmarking test case on the MeasureThat.net website. The benchmark tests two approaches for evaluating conditional statements: If/Else and Ternary (also known as Short-Circuit Evaluation).

**Benchmark Definition:**

The benchmark defines three test cases:

1. `If/Else`: This approach uses an explicit If-Else statement to evaluate the condition.
2. `Ternary With Explicit Return`: This approach uses a Ternary operator with an explicit return statement to evaluate the condition.
3. `Eval return`: This approach uses the built-in JavaScript function `eval()` to evaluate the expression.

**Options Compared:**

The benchmark compares the execution performance of these three approaches:

* **If/Else**: Uses an explicit If-Else statement to evaluate the condition.
* **Ternary With Explicit Return**: Uses a Ternary operator with an explicit return statement to evaluate the condition.
* **Eval return**: Uses the built-in JavaScript function `eval()` to evaluate the expression.

**Pros and Cons:**

1. **If/Else**:
	* Pros: Generally considered efficient, easy to understand, and well-supported by most browsers.
	* Cons: May lead to slower performance compared to other approaches due to the overhead of evaluating the condition and branching.
2. **Ternary With Explicit Return**:
	* Pros: Often faster than If/Else due to reduced overhead from branch prediction, but may require explicit return statement which can add complexity.
	* Cons: Requires explicit return statement which can lead to errors if not used correctly. Also, some browsers might not support this syntax.
3. **Eval return**:
	* Pros: Can be faster than If/Else and Ternary With Explicit Return due to reduced overhead from expression evaluation, but has security implications due to the use of `eval()`.
	* Cons: Has significant security risks due to the potential for code injection attacks if used with untrusted data. Additionally, some browsers might not support this syntax or may have performance penalties.

**Library and Special JS Features:**

There are no libraries explicitly mentioned in the benchmark definition. However, the `eval()` function is a built-in JavaScript function that evaluates an expression.

**Special JS Features:**

None of the approaches use special JavaScript features such as async/await, generators, or classes, which are not present in the provided benchmark definitions.

**Other Alternatives:**

Alternative approaches to evaluate conditional statements could include:

* **Switch statement**: A `switch` statement can be used instead of If/Else for multiple conditions.
* **Template literals**: Template literals (e.g., `x ? 'true' : 'false'`) can also be used as a concise alternative to Ternary operators.

Keep in mind that these alternatives may have different performance characteristics and are not explicitly mentioned in the benchmark definition.

Related benchmarks:

If/Else vs Ternary (version: 0)

Comparing performance of: If/Else vs Ternary With Explicit Return vs Eval return

Created: 3 years ago by: Registered User

Jump to the latest result

If/Else

Ternary With Explicit Return

Eval return

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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