Benchmark: difference ! and === and ==

Tests:

!
let bool = 0 let test = !bool ? 0 : 1 console.log(test)
==
let bool = 0 let test = bool == 0 ? 0 : 1 console.log(test)
===
let bool = 0 let test = bool === 0 ? 0 : 1 console.log(test)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
!
==
===

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

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Let's break down the benchmark and its test cases.

**Benchmark Overview**

MeasureThat.net is used to compare the performance of different JavaScript operators: `!`, `==`, and `===`. The website allows users to create their own benchmarks using JavaScript code, which are then run on various browsers and devices to determine the fastest execution time.

**Script Preparation Code and HTML Preparation Code**

The provided JSON does not contain any script preparation or HTML preparation codes. This means that the benchmark code is executed as-is, without any modifications or context. The focus of the benchmark is solely on comparing the performance of the three operators (`!`, `==`, and `===`).

**Individual Test Cases**

There are three test cases in total:

1. **Test Case 1: `!` Operator**
```javascript
let bool = 0;
let test = !bool ? 0 : 1;
console.log(test);
```
This test case uses the unary `!` operator to negate the value of `bool`. The result is then compared with 0 using a ternary expression.

**Pros and Cons:**

* **Pros:** Simple and easy to understand. The use of the unary `!` operator makes it straightforward.
* **Cons:** May not be representative of real-world scenarios, where conditional statements are used more frequently.

2. **Test Case 2: `==` Operator**
```javascript
let bool = 0;
let test = bool == 0 ? 0 : 1;
console.log(test);
```
This test case uses the equality operator (`==`) to compare `bool` with 0. The result is then compared with 0 using a ternary expression.

**Pros and Cons:**

* **Pros:** More representative of real-world scenarios, where conditional statements are used more frequently.
* **Cons:** May be slower than the `!` operator due to the additional comparison.

3. **Test Case 3: `===` Operator**
```javascript
let bool = 0;
let test = bool === 0 ? 0 : 1;
console.log(test);
```
This test case uses the strict equality operator (`===`) to compare `bool` with 0. The result is then compared with 0 using a ternary expression.

**Pros and Cons:**

* **Pros:** More precise than the `==` operator, as it checks both value and type.
* **Cons:** May be slower than the `!` or `==` operators due to the additional comparison.

**Library Usage**

None of the test cases use any external libraries. The code is straightforward and only uses built-in JavaScript operators and functions.

**Special JS Features**

None of the test cases utilize any special JavaScript features beyond the basic syntax and operators used.

**Other Alternatives**

If you want to create a similar benchmark, you can try using other comparison operators or techniques, such as:

* Using `===` with a conditional statement instead of a ternary expression.
* Adding additional variables or conditions to make the test cases more representative of real-world scenarios.
* Using different browsers or devices to compare performance.
* Using a different testing framework or library.

Keep in mind that MeasureThat.net's focus is on comparing JavaScript operators, so any alternative benchmark should also prioritize this aspect.

Related benchmarks:

difference ! and === and == (version: 0)

Comparing performance of: ! vs == vs ===

Created: 6 years ago by: Guest

Jump to the latest result

!

==

===

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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