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Math.max vs ternary
(version: 0)
Comparing performance of:
Math.max vs ternary
Created:
4 years ago
by:
Guest
Go to the latest result
Script Preparation code:
this.number = Math.random() * 1000
Tests:
Math.max
return Math.max(501, this.number)
ternary
return this.number >= 501 ? this.number : 0
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Math.max
ternary
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
6 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Browser/OS:
Chrome 144 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=624060" width="100%" height="500px"></iframe>
Math.max
42.3M/s
ternary
35.7M/s
View exact numbers
Test name
Executions per second
✓
Math.max
42,291,728 Ops/sec
ternary
35,668,720 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and its results to understand what's being tested and compared. **Benchmark Definition** The benchmark definition consists of two test cases: 1. `return Math.max(501, this.number)` 2. `return this.number >= 501 ? this.number : 0` These test cases are comparing the performance of the `Math.max` function versus a ternary operator (`ternary`) that achieves similar functionality. **Options Compared** The two options being compared are: 1. **`Math.max(501, this.number)`**: This is a built-in JavaScript function that returns the maximum value between two arguments. 2. **`this.number >= 501 ? this.number : 0`**: This is a ternary operator that checks if `this.number` is greater than or equal to 501 and returns either `this.number` or 0 based on the condition. **Pros and Cons of Each Approach** 1. **`Math.max(501, this.number)`**: * Pros: Simple, readable, and well-documented. * Cons: May incur overhead due to function call and argument passing. 2. **`this.number >= 501 ? this.number : 0`** (ternary operator): * Pros: Often preferred for its conciseness and readability in many contexts. * Cons: Can be less readable for those not familiar with ternary operators or may lead to unexpected behavior if not used carefully. **Library Usage** There is no explicit library usage mentioned in the benchmark definition. However, it's worth noting that `this.number` suggests that the test is running within an object context, and `this` refers to the current object being tested. **Special JS Features/Syntax** The only special feature or syntax used here is the ternary operator (`? :`), which allows for a single expression to be evaluated with multiple conditions. This is a common JavaScript construct that can simplify code but may also make it less readable in certain situations. **Other Alternatives** For this specific test case, other alternatives could include: 1. Using `Math.min(501, this.number)` to find the smaller of the two values. 2. Implementing a custom function using bitwise operators (e.g., `return (this.number > 500) ? this.number : 0`). 3. Using a library like Lodash that provides utility functions for common operations. However, the ternary operator and `Math.max` are likely to be the most straightforward alternatives in this case.
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