Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
IIFE function
(version: 0)
Comparing performance of:
!-invoke vs () invoke
Created:
5 years ago
by:
Guest
Jump to the latest result
Tests:
!-invoke
!function someFunc(n) { switch (n) { case 'test': console.log('test') break; case 'not test': console.log('not test') break; default: console.log('system') } }('test')
() invoke
(function someFunc(n) { switch (n) { case 'test': console.log('test') break; case 'not test': console.log('not test') break; default: console.log('system') } }('test'))
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
!-invoke
() invoke
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):
Measuring the performance of JavaScript microbenchmarks is an essential task, and MeasurThat.net provides a valuable platform for doing so. **What's being tested?** The provided JSON represents two test cases, each evaluating the performance of different ways to invoke a function. The functions in question are identical, with the only difference being how they're called: 1. `!-invoke` (using an exclamation mark and a hyphen): This is likely a feature-specific syntax or a proprietary method used by some browsers or environments. 2. `() invoke` (using parentheses and a space): This is a standard way to invoke a function in JavaScript. **Options compared** The two test cases compare the performance of these two invocation methods: Pros and Cons: * **!-invoke**: This syntax might be optimized for specific use cases, but it's not part of the standard JavaScript syntax. Its performance could be better due to browser-specific optimizations. + Pros: Potential for improved performance in certain environments or use cases. + Cons: May not work consistently across all browsers and environments, and its syntax is non-standard. * **() invoke**: This is a widely supported and well-established way to call functions in JavaScript. + Pros: Wide compatibility across browsers and environments, and it's easy to understand and implement. + Cons: No potential performance improvement over the standard `()` syntax. **Library** None of the test cases use any external libraries. The benchmark definitions are standalone functions with a simple switch statement. **Special JS feature or syntax** The `!-invoke` syntax is likely a proprietary method used by some browsers or environments, but it's not part of the standard JavaScript syntax. This might be a browser-specific optimization that's been implemented to improve performance in certain scenarios. **Alternatives** Other alternatives for invoking functions in JavaScript include: * Using arrow functions (`=>`) or `function()` syntax. * Utilizing `Function` constructor or `new Function()` syntax. * Leveraging the `call()` method or `apply()` method for more advanced function invocation scenarios. These alternatives might offer different performance characteristics, depending on the specific use case and environment. However, the standard `()` syntax remains a widely supported and efficient way to call functions in JavaScript.
Related benchmarks:
fib test 1111
Factorials-comp
fibo-algo
IIFE assignment vs mutable assignment
math pow vs multiply (with few extra variants)
Comments
Confirm delete:
Do you really want to delete benchmark?