Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
myBenchEval
(version: 0)
Comparing performance of:
eval vs notEval
Created:
6 years ago
by:
Guest
Jump to the latest result
Tests:
eval
console.log(eval("2*3"))
notEval
console.log("2*3")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
eval
notEval
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 MeasureThat.net and explore what's being tested in this benchmark. **Overview** MeasureThat.net is a platform that allows users to create and run JavaScript microbenchmarks, which are small, isolated pieces of code designed to measure the performance of specific JavaScript features or libraries. The website provides a simple way to compare different approaches to a particular task. **Benchmark Definition** The provided JSON represents a benchmark definition, which specifies the type of benchmark being run. In this case, there is only one benchmark definition: `"Name": "myBenchEval",` This indicates that the benchmark is named `myBenchEval`. **Individual Test Cases** Two individual test cases are defined: 1. **eval**: The first test case uses the `eval()` function to execute a mathematical expression: `"console.log(eval("2*3"))"`. This test case is designed to measure the performance of the `eval()` function. 2. **notEval**: The second test case does not use the `eval()` function and instead directly calculates the result of the mathematical expression: `"console.log("2*3")"`. This test case is designed to serve as a baseline or control group for comparison with the `eval()` test case. **Options Compared** The two test cases compare different approaches to executing a simple arithmetic expression: 1. Using `eval()`: The first test case uses the `eval()` function to execute the expression, which parses and executes the string as JavaScript code. 2. Direct calculation: The second test case directly calculates the result of the expression without using `eval()`, making it a more straightforward approach. **Pros and Cons** Here are some pros and cons of each approach: 1. **Using `eval()`**: * Pros: + Can execute complex expressions + Allows for dynamic code execution * Cons: + Can be slower due to the overhead of parsing and executing the string as JavaScript code + Can introduce security risks if not used carefully (e.g., eval-ing user input) 2. **Direct calculation**: * Pros: + Faster execution time since it avoids the overhead of `eval()` + Less susceptible to security issues * Cons: + Limited to simple arithmetic expressions **Library** There is no specific library mentioned in the provided benchmark definition. **Special JS Features or Syntax** None are explicitly mentioned. However, it's worth noting that MeasureThat.net might be testing other JavaScript features or syntax not present in this specific benchmark definition. **Alternatives** Other alternatives for executing simple arithmetic expressions could include: 1. Using a dedicated library like Math.js or FastMath 2. Utilizing the `Function` constructor to create an anonymous function and execute it 3. Leveraging ES6's template literals (e.g., `${2*3}`) Keep in mind that these alternatives might not be part of the original benchmark definition provided. I hope this explanation helps you understand what's being tested in this benchmark!
Related benchmarks:
match vs include
match vs include vs indexOf
test vs include vs indexOf
test vs include vs indexOf no match
fjdfjdu34uerh
Comments
Confirm delete:
Do you really want to delete benchmark?