Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
tertiary vs negate
(version: 0)
Comparing performance of:
Tertiary vs Or
Created:
7 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var obj = { titlePlural:"red" } var obj2 ={ title:"red" }
Tests:
Tertiary
let title = obj.titlePlural ? obj.titlePlural : obj.title let title2 = obj2.titlePlural ? obj2.titlePlural : obj2.title
Or
let title = obj.titlePlural || obj.title let title2 = obj2.titlePlural ||obj2.title
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Tertiary
Or
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark definition and test cases to understand what's being tested. **Benchmark Definition** The benchmark is testing two approaches for handling a ternary conditional expression in JavaScript: 1. **Tertiary**: `let title = obj.titlePlural ? obj.titlePlural : obj.title` 2. **Or**: `let title = obj.titlePlural || obj.title` **What's being tested?** Both tests are comparing the performance of these two approaches on a specific use case: accessing the value of `titlePlural` and then using that value to determine which string to return from `obj.titlePlural` or `obj.title`. The idea is to measure which approach is faster. **Options compared** The two options being compared are: 1. **Tertiary**: This approach uses a ternary conditional expression, which evaluates the condition first and returns one of two values. 2. **Or**: This approach uses the OR operator (`||`), which also checks for truthy values but in a different way. **Pros and Cons** * **Tertiary**: + Pros: More explicit and clear code, as the condition is evaluated upfront. + Cons: May lead to unnecessary computations if `titlePlural` is always true. * **Or**: + Pros: Can be faster if `titlePlural` is truthy, as it avoids unnecessary computations. + Cons: Less explicit code and may not be immediately clear what's happening. Other considerations: * Both approaches have a time complexity of O(1), making them comparable in terms of performance. * However, the Or approach might benefit from short-circuit evaluation, which could further improve performance if `obj.titlePlural` is falsey. * The benchmark doesn't consider other variations, such as using the nullish coalescing operator (`??`) or other conditional expressions. **Library** There is no explicit library mentioned in the benchmark definition. However, it's likely that the JavaScript engine (e.g., V8 in Chrome) implements some of these optimizations internally. **Special JS feature or syntax** The benchmark uses a relatively modern JavaScript feature: the nullish coalescing operator (`??`). This operator was introduced in ECMAScript 2020 and allows for more concise conditional expressions. However, it's not necessary to know about this feature to understand the benchmark; the explanation can focus on the concepts rather than the specific syntax. **Other alternatives** Some other approaches to handling ternary conditionals include: * Using a function or method that takes a condition as an argument, like `let title = obj.titlePlural ? getTrueValue(obj.titlePlural) : getFalseValue(obj.title)` * Utilizing a more functional programming style with arrow functions and higher-order functions * Avoiding ternary expressions altogether and using if-else statements instead Keep in mind that the benchmark is specifically focused on comparing two approaches, so exploring alternative methods might not be directly relevant to the benchmark's purpose.
Related benchmarks:
Destructure vs Traditional
typeof first or second
hasOwnProperty string vs number
instanceof vs in
in vs not undefined
Comments
Confirm delete:
Do you really want to delete benchmark?