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boolean vs math
(version: 0)
Comparing performance of:
Boolean !!!! vs Math vs Boolean
Created:
3 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var newArr = ['1', '2', '3', '4'];
Tests:
Boolean !!!!
newArr.length && 1
Math
newArr.length > 0 && 1
Boolean
Boolean(newArr.length) && 1
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Boolean !!!!
Math
Boolean
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON and understand what's being tested. **Benchmark Definition** The `Benchmark Definition` section provides the code that will be executed to measure performance. In this case, there are three different approaches: 1. `newArr.length && 1`: This is a simple conditional statement that checks if the length of the array `newArr` is truthy and then evaluates the expression `1`. The `&&` operator has a short-circuit behavior, meaning it will stop evaluating as soon as it encounters a falsy value. 2. `newArr.length > 0 && 1`: This is another conditional statement that checks if the length of the array `newArr` is greater than 0 and then evaluates the expression `1`. Again, the `&&` operator has a short-circuit behavior. 3. `Boolean(newArr.length) && 1`: This uses the `Boolean()` function to explicitly convert the result of `newArr.length` to a boolean value (true or false). The rest is the same as before. **Pros and Cons** Here are some pros and cons for each approach: 1. `newArr.length && 1`: * Pros: Simple, concise code. * Cons: May rely on the short-circuit behavior of the `&&` operator, which can be unpredictable if used in other contexts. 2. `newArr.length > 0 && 1`: * Pros: Still simple and concise, but avoids relying on the short-circuit behavior. * Cons: May not be as efficient since it needs to evaluate the condition before evaluating the expression. 3. `Boolean(newArr.length) && 1`: * Pros: Explicitly converts the result to a boolean value, making it more predictable. * Cons: More verbose than the other two approaches. **Library and Special JS Features** There are no libraries used in this benchmark, but there is an example of using the `Boolean()` function, which is a built-in JavaScript function that returns true for any non-empty value. The `&&` operator is also a built-in operator in JavaScript. **Other Alternatives** Some alternative approaches to these three tests could be: * Using a loop to iterate over the array instead of checking its length. * Using a different data structure, such as an object or a map, to store and retrieve values. * Adding more complexity to the benchmark by introducing additional variables or conditional statements. For example, an alternative test case might look like this: ```json { "Benchmark Definition": "for (var i = 0; i < newArr.length; i++) {}" } ``` This would use a loop instead of checking the length of the array.
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