Benchmark: ifvsaa - MeasureThat.net

Script Preparation code:

fn = () => null

Tests:

&&
fn && fn()
if
if (fn) fn()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
&&
if

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

Let's dive into the explanation of the provided benchmark.

**Benchmark Definition**

The `Script Preparation Code` field in the benchmark definition json is used to prepare the JavaScript function that will be executed during the benchmark. In this case, it's set to `fn = () => null`, which creates a no-op function named `fn` that does nothing when called. This is likely done to ensure consistency and fairness between different test cases.

**Options being compared**

The benchmark is comparing two options:

1. **&& (Ternary Operator)**
2. **if (condition) expression**

These two operators are often used interchangeably, but they have slightly different behavior in certain scenarios.

**Pros and Cons of each approach**

**Ternary Operator (&&)**

Pros:

* Concise and easy to read
* Often preferred in modern JavaScript code due to its readability benefits
* Can be faster in some cases because it's optimized by the compiler to a simple binary operation

Cons:

* May lead to slower performance if not properly optimized, as the expression is evaluated from left to right
* If the condition is false, the entire expression will short-circuit and return undefined, which may cause issues in certain use cases

**if (condition) expression**

Pros:

* Can be more readable and maintainable, especially for complex conditions
* Allows for early returns and can reduce unnecessary computation
* More flexible than the ternary operator in terms of handling false positives or conditionals with side effects

Cons:

* Typically slower due to the overhead of evaluating the conditional statement
* Requires more code and may be less concise

**Other considerations**

In this benchmark, both approaches are being compared for performance. The choice between `&&` and `if (condition) expression` can depend on the specific use case and requirements.

If you need to perform a complex condition or early return, using an `if` statement might be more suitable. However, if you're working with simple conditions where both branches do not have side effects, the ternary operator (`&&`) is likely a better choice due to its conciseness and potential performance benefits.

**Library usage**

In this benchmark, there doesn't appear to be any explicit library usage mentioned in the provided code or data. However, it's worth noting that some JavaScript engines might use libraries or frameworks that can affect performance or interpretation of certain operators.

**Special JS features/syntax**

There are no special JavaScript features or syntax mentioned in the provided code or data.

Latest run results:

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

User agent: Mozilla/5.0 (X11; CrOS x86_64 13421.102.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.199 Safari/537.36

Browser/OS: Chrome 86 on Chrome OS 13421.102.0

View result in a separate tab

Test name	Executions per second
&&	1655632.4 Ops/sec
if	1749098.9 Ops/sec

Related benchmarks:

ifvsaa (version: 0)

Comparing performance of: && vs if

Created: 3 years ago by: Guest

Jump to the latest result

&&

if

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):