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Math.max.apply vs Math.max spread
(version: 0)
Compare the new ES6 spread operator with the Math.max.apply method
Comparing performance of:
Max with apply vs Max with spread operator
Created:
3 years ago
by:
Guest
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Script Preparation code:
var arr = [] for (i = 0; i < 100000; i++) { arr.push(Math.random() * i) }
Tests:
Max with apply
Math.max.apply(Math, arr)
Max with spread operator
Math.max(...arr)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Max with apply
Max with spread operator
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in this benchmark. **What is being tested?** The provided JSON represents two test cases that compare the performance of two ways to find the maximum value in an array: using the `Math.max.apply()` method and using the new ES6 spread operator (`...`). In other words, we have a sample array `arr` generated by creating 100,000 random numbers, and we're testing how fast each approach can find the maximum value in this array. **Options compared** We have two options being compared: 1. **Math.max.apply()**: This method applies the `Math.max()` function to an array of arguments using the `apply()` method. 2. **Math.max(...)**: This is a shorthand way of writing `Math.max.apply(null, arr)`, where `...` represents the spread operator. It's used to pass multiple arguments to the `Math.max()` function. **Pros and cons** Here are some pros and cons for each approach: **Math.max.apply()** Pros: * More explicit and readable * Can be more efficient in certain cases (e.g., when the array is small) Cons: * Less concise and might be considered "verbose" * Requires the `apply()` method, which can add overhead **Math.max(...)** Pros: * Concise and easy to read * Does not require the `apply()` method, reducing overhead Cons: * May be less readable for those who are not familiar with the spread operator * Might be slower due to the additional overhead of the spread operator **Library usage** There is no explicit library being used in this benchmark. **Special JS feature or syntax** The use of the spread operator (`...`) is a relatively recent addition to JavaScript, introduced in ES6. It allows you to pass multiple arguments to a function by spreading them into an array. **Other alternatives** If we wanted to test other approaches for finding the maximum value in an array, some options might include: * Using the `reduce()` method * Looping through the array and comparing values manually * Using the `max()` method from a library like Lodash However, these alternatives are not being tested in this specific benchmark. I hope this explanation helps!
Related benchmarks:
Math.max with apply vs spread
Math.max with apply vs spread vs reduce
Math.max with apply vs spread vs reduce 10k elements
Math.max with apply vs spread vs reduce on object array
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