Benchmark: comma vs semicolon

HTML Preparation code:

<!--your preparation HTML code goes here-->

Tests:

semicolon
blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();blur();
comma
blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur(),blur()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
semicolon
comma

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser/OS: Chrome 132 on Chrome OS 14541.0.0

View result in a separate tab

Test name	Executions per second
semicolon	442943.6 Ops/sec
comma	441910.3 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated 2 months ago):

LLMs can make mistakes. Check important info.

The benchmark defined in the provided JSON compares two different ways of invoking the `blur` function in JavaScript: using semicolons (`;`) and commas (`,`).

### Options Compared
1. **Semicolon (`;`) approach**: This approach uses semicolons to separate multiple calls to the `blur` function. The benchmark definition for this option consists of multiple consecutive calls to `blur()` each separated by a semicolon.
2. **Comma (`,`) approach**: This approach uses commas to separate the `blur` function calls. In this case, multiple calls are made with each call being separated by a comma.

### Pros and Cons
**Semicolon Approach:**
- **Pros**:
  - Semicolons are the standard way of terminating statements in JavaScript, making this approach conform to conventional syntax.
- **Cons**:
  - In some contexts, especially where statements are expected to return a value, this method could produce different outputs or unintended side effects, although in this benchmark, the return value is not relevant since the purpose is simply to call `blur()`.
  
**Comma Approach:**
- **Pros**:
  - This approach can work in contexts that expect expressions that return values, allowing for the chaining of function calls. It treats each `blur()` invocation as an expression in a sequence.
- **Cons**:
  - The use of commas can lead to confusion as it is typically used in JavaScript for creating arrays or separating function arguments, not for terminating statements. This may make the code less readable or understandable for some developers.
  
### Benchmarking Results
The benchmark results indicate that the execution rate for both methods is quite similar:
- Semicolon approach: **442,943.59 executions per second**
- Comma approach: **441,910.34 executions per second**

The results suggest that there is very little performance difference between the two approaches for this particular test, with semicolons slightly ahead. This small performance variation may not be significant in practical applications but shows that both methods are valid for invoking functions.

### Other Considerations
- **Use Case**: While this benchmark specifically tests a single function invocation within a loop, it’s important to note that in real-world scenarios, the choice between semicolon and comma may depend on code readability and maintainability rather than raw performance. The visual clarity of semicolons often outweighs minor performance gains from commas.
  
- **Readability and Maintenance**: For maintainable code, it’s generally preferable to use the option that most developers would understand quickly—this tends to favor using semicolons for the sake of clarity in most JavaScript codebases.

### Alternatives
1. **Using Loops**: Instead of calling `blur()` multiple times in a single expression, developers could run a loop (e.g., `for` or `while`) to perform repeated actions. This is more common in general programming as it allows for dynamically adjusting the number of calls based on runtime conditions.
   
2. **Functional Approaches**: Modern JavaScript also allows declarative programming patterns using functions such as `Array.forEach`, which can be utilized to apply a function multiple times in a more compact and expressive way.

3. **Asynchronous Patterns**: If each call to `blur()` is asynchronous (e.g., it involves some I/O), then alternatives could include promises or async/await patterns to manage multiple calls efficiently while maintaining readability.

Overall, while both approaches are valid for calling functions in JavaScript, the choice should be guided by the context and desired clarity of the code rather than performance alone.

Related benchmarks:

comma vs semicolon (version: 1)

Comparing performance of: semicolon vs comma

Created: 2 months ago by: Guest

Jump to the latest result

semicolon

comma

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated 2 months ago):