Benchmark: Math.max/min vs if with const vs ternary operator with const - 2

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) number = 250; if(number > 750) number = 750; return number;
ternary
var number = this.number; const max = (number > 750 ? 750 : number); return number < 250 ? 250 : max;

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:

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

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Let's break down the provided benchmark and explain what is tested, options compared, pros/cons of each approach, and other considerations.

**Benchmark Overview**

The test case, as shown in the JSON definition, compares three ways to achieve the same result: using `Math.max` and `Math.min`, an `if-const` approach with variable assignment, and a ternary operator with constant comparison. The benchmark is designed to measure which method is faster on a typical web page.

**Options Compared**

1. **Math.max/min**: This method uses built-in functions to find the minimum or maximum value of two numbers.
2. **if-const**: This approach uses an `if` statement to assign a new value to a variable if a condition is met, and then returns that variable.
3. **ternary operator with const**: This method uses a ternary operator to concisely return one of two values based on a condition.

**Pros/Cons of Each Approach**

1. **Math.max/min**:
	* Pros: Fast, concise, and easy to read.
	* Cons: Requires built-in functions, which might not be optimized for performance in all browsers.
2. **if-const**:
	* Pros: Flexible, allows for conditional logic, and can be more expressive.
	* Cons: Can lead to variable assignment and potential side effects, making it less predictable.
3. **ternary operator with const**:
	* Pros: Concise, efficient, and eliminates the need for an extra `return` statement.
	* Cons: Might not be as readable or maintainable due to its compact nature.

**Other Considerations**

* The use of `const` in the ternary operator approach ensures that a new value is assigned only if necessary, which can improve performance by avoiding unnecessary reassignments.
* In the `if-const` approach, variable assignment might lead to side effects (e.g., modifying external state), making it less predictable and potentially slower.

**Library Usage**

The provided benchmark does not explicitly use any libraries. However, note that some browsers may have additional libraries or modules enabled when running JavaScript benchmarks.

**Special JS Features or Syntax**

There are no special features or syntax mentioned in the benchmark, as all three approaches rely on standard JavaScript constructs.

**Alternative Approaches**

To improve performance, developers might consider using more efficient mathematical operations, such as:

* `Math.abs` instead of `Math.max` and `Math.min`
* Bitwise operators (e.g., `&`, `|`) to implement conditional logic

Keep in mind that the optimal approach will depend on specific use cases, browser versions, and performance requirements.

In summary, the benchmark provides a concise comparison between three common approaches for finding minimum or maximum values: using built-in functions (`Math.max/min`), an `if-const` approach with variable assignment, and a ternary operator with constant comparison. Understanding the pros/cons of each approach can help developers make informed decisions about which method to use in their own projects.

Related benchmarks:

Math.max/min vs if with const vs ternary operator with const - 2 (version: 0)

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

Created: 4 years ago by: Registered User

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):