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&& vs ternary
(version: 0)
Comparing performance of:
&& case vs ternary case
Created:
4 years ago
by:
Guest
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Tests:
&& case
const foo = null const bar = foo && "mip" console.log(bar)
ternary case
const foo = null const bar = foo ? "mip" : null console.log(bar)
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Suite status:
<idle, ready to run>
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Test case name
Result
&& case
ternary case
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N/A
Slowest:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and explain what's being tested. **Benchmark Overview** The benchmark is comparing two ways to implement conditional expressions in JavaScript: the logical AND operator (`&&`) and the ternary operator (`? :`). **Options Compared** There are two test cases: 1. **&& case**: This test case uses the logical AND operator to determine whether `foo` is truthy or falsy, and then assigns a string value to `bar`. If `foo` is falsy, `bar` will be assigned `null`. 2. **Ternary case**: This test case uses the ternary operator (`? :`) to provide two alternatives for the value of `bar`. The first alternative is a string `"mip"` if `foo` is truthy, and the second alternative is `null` if `foo` is falsy. **Pros and Cons** Both approaches have their pros and cons: * **&& case**: + Pros: Simple and straightforward. + Cons: If `foo` is falsy, `bar` will be assigned `null`, which might not be the desired behavior in some cases. * **Ternary case**: + Pros: Provides a clear and explicit way to specify two alternatives for the value of `bar`. + Cons: The syntax can be less readable for those who are not familiar with the ternary operator. **Other Considerations** In general, when choosing between these two approaches, consider the specific requirements of your use case. If you need a simple and straightforward way to implement conditional expressions, the `&&` case might be sufficient. However, if you need more control over the value assignment or want to make the code more readable for others, the ternary operator is a better choice. **Library Usage** There are no libraries used in this benchmark, so there's nothing to mention. **Special JavaScript Features/Syntax** This benchmark uses two special JavaScript features: 1. **Logical AND operator (`&&`)**: This operator is used to test whether both operands are truthy. 2. **Ternary operator (`? :`)**: This operator provides a concise way to specify two alternatives for an expression. I hope this explanation helps!
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