Benchmark: Math.max/min vs if with const vs ternary operator with const

Script Preparation code:

this.number = Math.random() * 1000;

Tests:

Math.max/min
return Math.max(250, Math.min(750, this.number));
if
var number = this.number; if(number < 250) return 250; if(number > 750) return 750; return number;
ternary
var number = this.number; return number < 250 ? 250 : (number > 750 ? 750 : number);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.max/min
if
ternary

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

Let's dive into the world of MeasureThat.net and explore what's being tested in this benchmark.

**Overview**

The benchmark tests three different approaches to finding the maximum or minimum value between two numbers: `Math.max`/`Math.min`, an if-else statement with constants, and a ternary operator with a constant. The goal is to determine which approach is the fastest.

**Test Cases**

There are three test cases:

1. **Math.max/min**: This test case uses the built-in `Math.max` and `Math.min` functions to find the maximum or minimum value between two numbers (250 and 750). The expression returns the larger of the two values.
2. **if with const**: This test case uses an if-else statement with constants to achieve the same result as the first test case. It checks if the input number is less than 250, greater than 750, or falls within the range [251, 749].
3. **ternary operator with const**: This test case uses a ternary operator with a constant to find the maximum or minimum value between two numbers. The expression returns 250 if the input number is less than 250, 750 if it's greater than 750, and the original value otherwise.

**Library**

There doesn't appear to be any external libraries used in these test cases.

**Special JS Features/Syntax**

None of these test cases use special JavaScript features or syntax.

**Options Compared**

The three test cases are compared to determine which approach is the fastest:

* `Math.max/min`: uses built-in functions
* **if with const**: uses if-else statement with constants
* **ternary operator with const**: uses ternary operator with constant

**Pros and Cons of Each Approach**

1. **Math.max/min**:
	* Pros: concise, efficient, and easy to read
	* Cons: may be slower than other approaches due to function calls
2. **if with const**:
	* Pros: flexible, can handle more complex logic
	* Cons: less readable, may be slower due to conditional checks
3. **ternary operator with const**:
	* Pros: concise, efficient, and easy to read (similar to `Math.max/min`)
	* Cons: limited in its ability to handle complex logic

**Other Considerations**

When choosing an approach, consider the trade-off between conciseness, efficiency, and readability. In this benchmark, all three approaches are relatively simple, so the performance difference may be less noticeable.

If you need to perform more complex calculations or logic, using a built-in function like `Math.max`/`Math.min` might be a better choice due to its ease of use and efficiency.

On the other hand, if you need more control over the calculation flow or want to avoid function calls, the `if with const` approach might be a better fit. However, at the cost of readability and potential performance hit.

**Alternatives**

If you'd like to explore alternative approaches, consider:

1. **Using arrow functions**: Arrow functions can provide a concise way to define small, single-expression functions.
2. **Employing bitwise operations**: Bitwise operations can be used to perform calculations in a more compact form, but might require more expertise to implement correctly.
3. **Optimizing using `let` or `const` variables**: Using `let` or `const` variables can help improve performance by reducing variable lookups and reassignments.

However, these alternatives are less common in everyday JavaScript coding and might not be relevant for this specific benchmark.

I hope this explanation helps you understand the test cases and approaches being compared!

Related benchmarks:

Math.max/min vs if with const vs ternary operator with const (version: 0)

Comparing performance of: Math.max/min vs if vs ternary

Created: 4 years ago by: Guest

Jump to the latest result

Math.max/min

if

ternary

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):