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terenary vs if vs ||
(version: 2)
Benchmark.js
terenary vs if vs ||
Comparing performance of:
or vs terenary vs if else
Created:
4 years ago
by:
Registered User
Go to the latest result
Tests:
or
const url = null const b = url === null || false
terenary
const url = null const b = url === null ?true: false
if else
const url = null if( url === null) { const b = true } else{ const b=false }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
or
terenary
if else
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 YaBrowser/24.7.0.0 Safari/537.36
Browser/OS:
Yandex Browser 24 on Mac OS X 10.15.7
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=558518" width="100%" height="500px"></iframe>
or
182.6M/s
if else
181.5M/s
terenary
178.9M/s
View exact numbers
Test name
Executions per second
✓
or
182,639,472 Ops/sec
if else
181,471,936 Ops/sec
terenary
178,866,256 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. The provided JSON represents a benchmark test suite that compares the performance of three different conditional statement approaches: ternary operator (`terenary`), `if-else` statement, and logical OR operator (`||`). Here's a breakdown of each: 1. **Ternary Operator (terenary)**: * Syntax: `const b = condition ? true : false;` * Purpose: To provide a concise way to express simple conditional logic. * Pros: Compact code, easy to read and write, often faster than other approaches. * Cons: Limited readability for complex conditions, can be error-prone if not used carefully. 2. **If-Else Statement (if else)**: * Syntax: `if (condition) { ... } else { ... }` * Purpose: To provide a more traditional and readable way to express conditional logic. * Pros: Easy to read and write, allows for complex conditions using brackets and semicolons. * Cons: More verbose code, can be slower than ternary operator due to additional overhead. 3. **Logical OR Operator (||)**: * Syntax: `const b = condition || false;` * Purpose: To provide a concise way to evaluate a boolean condition and return the first truthy value or a default value (in this case, `false`). * Pros: Fast and lightweight, suitable for simple conditions. * Cons: Limited readability, can be confusing when used in complex scenarios. The benchmark test cases use these three approaches to compare their performance. The test data is generated using JavaScript code, which is then executed by the browser(s) specified in the benchmark results. **Library Usage**: None of the provided benchmark tests use any external libraries. **Special JS Features/Syntax**: There are no special JS features or syntax used in this benchmark. All tests use standard JavaScript syntax and built-in operators. Now, let's consider alternative approaches to these three conditional statement methods: 1. **Switch Statement**: Can be used for multiple conditions with a single expression. However, it can be slower than ternary operator and if-else due to the overhead of evaluating multiple cases. 2. **Conditional Expression (ternary)**: Similar to the ternary operator, but uses parentheses instead of the `?:` operator. Can be more readable in some cases. 3. **Boolean Short Circuiting**: Uses the && and || operators to evaluate conditions and short-circuit the execution when a condition is false or true, respectively. Can be faster than if-else due to reduced overhead. 4. **Type Guards**: A feature introduced in ECMAScript 2018 that allows for more concise conditional logic using type guards (e.g., `if (typeof x === 'number') { ... }`). Can be faster and more readable than traditional if-else. These alternatives can be used depending on the specific use case and performance requirements. However, the choice ultimately depends on personal preference, code readability, and the specific problem being solved.
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