Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Conditional check
(version: 0)
Comparing performance of:
If vs switch vs ternary
Created:
2 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var f1 = 18; var f2 = 13; a = 13;
Tests:
If
if(a === f1){ console.log("f1"); } else{ console.log("f2"); }
switch
switch (a){ case f1: console.log("f1"); break; case f2: console.log("f2"); break; default: break; }
ternary
a == f1 ? console.log("f1") : console.log("f2");
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
If
switch
ternary
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 dive into the world of JavaScript microbenchmarks. **What is being tested?** The provided JSON represents a benchmark that tests three different approaches for conditional checks in JavaScript: 1. Traditional `if` statement 2. Switch statement 3. Ternary operator (`?:`) Each test case measures the performance of each approach, comparing their execution speeds on a specific input. **Options comparison and pros/cons:** Here's a brief overview of each approach: 1. **Traditional `if` statement**: This is a straightforward approach that uses an `if` condition to check if two variables are equal. It's simple to read and write but may not be the most efficient. * Pros: Easy to understand, no additional syntax needed * Cons: May have slower performance due to branch prediction 2. **Switch statement**: The switch statement is used to execute different blocks of code based on a value. In this benchmark, it's used for conditional checks. It can be faster than traditional `if` statements if the number of cases is large. * Pros: Can be faster with many cases due to branch prediction * Cons: Requires multiple lines and may be harder to read for simple conditions 3. **Ternary operator (`?:`)**: This operator allows you to write a single expression that evaluates to either a value or another expression based on a condition. * Pros: Concise, easy to read, and can be faster than traditional `if` statements * Cons: May not work well with complex conditions or multiple lines **Library usage (none in this case)** There are no libraries used in this benchmark. **Special JS features** None mentioned in the provided information. The benchmarks only use standard JavaScript syntax. **Other alternatives** If you were to add more alternative approaches, some options could include: * `===` vs `==` operators for strict equality * Regular expressions for pattern matching * `for...of` loop instead of traditional loops However, these would require additional test cases and setup. In summary, this benchmark measures the performance of three common conditional check approaches in JavaScript: traditional `if` statement, switch statement, and ternary operator. The results can help developers understand the performance differences between these approaches for their specific use cases.
Related benchmarks:
Test if else
Test if else 2
Test if else 3
Test if else 4
Comments
Confirm delete:
Do you really want to delete benchmark?