Benchmark: Testando operador de + com !!! vs ||

Tests:

Operador ||
!(!![].length || !!"" || !!undefined || !!null)
Operador +
!!!(!![].length + !!"" + !!undefined + !!null)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Operador \|\|
Operador +

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Browser/OS: Chrome 79 on Mac OS X 10.15.0

View result in a separate tab

Test name	Executions per second
Operador \|\|	6572041.0 Ops/sec
Operador +	6545558.0 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark is designed to compare two different operator approaches in JavaScript: the `||` (logical OR) operator and the `+` operator. The test measures which approach is faster, considering various edge cases.

**Test Cases**

There are only two individual test cases:

1. **Operador ||**: This test case checks the behavior of the `||` operator with various inputs:
	* An empty array (`!![].length`)
	* An empty string (`!!\"\"`)
	* `undefined`
	* `null`
2. **Operador +**: This test case checks the behavior of the `+` operator with the same inputs as above.

**Library and Special Features**

In this benchmark, no specific libraries are used beyond the JavaScript language itself. However, it's worth noting that some browsers may have additional features or extensions enabled by default, which could affect the results.

No special JavaScript features or syntax are being tested in these benchmarks.

**Approach Comparison**

The two approaches being compared are:

1. **Logical OR Operator (`||`)**: The `||` operator returns `true` if any of its operands is truthy (i.e., not null, undefined, or "0" in a numerical context). This means that even an empty array or string can be considered "truthy".
2. **Addition Operator (`+`)**: The `+` operator adds two numbers or concatenates strings. In the context of this benchmark, it's used to combine the operands.

**Pros and Cons**

*   Logical OR Operator (`||`):
    *   Pros: Simple and efficient for most use cases.
    *   Cons:
        +   Can lead to unexpected behavior if not used carefully (e.g., an empty array or string being considered "truthy").
*   Addition Operator (`+`):
    +   Pros:
        -   More explicit and easier to understand in some cases.
        -   Can be more efficient than `||` for certain inputs.
    *   Cons:
        -   May lead to slower performance compared to `||` due to the overhead of addition.

**Other Alternatives**

Some alternative approaches could be:

1.  **Conditional Expression**: Using a conditional expression (e.g., `x ? y : z`) might provide similar results, but it's generally more verbose and less efficient than using `||`.
2.  **ternary Operator**: The ternary operator (`?:`) is another way to express a simple if-else statement, which could be used for this benchmark.
3.  **Custom implementation**: Depending on the specific requirements, you might choose to implement your own logic instead of relying on `||` or `+`.

Related benchmarks:

Testando operador de + com !!! vs || (version: 0)

Comparing performance of: Operador || vs Operador +

Created: 4 years ago by: Registered User

Jump to the latest result

Operador ||

Operador +

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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