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for loop vs. lodash range foreach latest
(version: 0)
Comparing performance of:
for vs lodash range foreach vs array foreach vs array lodash foreach vs lodash range lodash foreach
Created:
7 years ago
by:
Registered User
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HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.js"></script>
Tests:
for
var x = 0; for (var i = 0; i < 10000; i++) { x++; }
lodash range foreach
var x = 0; _.range(10000).forEach(function (i) { x++; });
array foreach
var x = 0; Array(10000).forEach(function (i) { x++; });
array lodash foreach
var x = 0; _.forEach(Array(10000), function (i) { x++; });
lodash range lodash foreach
var x = 0; _.forEach(_.range(10000), function (i) { x++; });
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
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Test case name
Result
for
lodash range foreach
array foreach
array lodash foreach
lodash range lodash foreach
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Explanation** The provided JSON represents a microbenchmark test created on MeasureThat.net. The benchmark compares the performance of four different approaches for iterating over an array of 10,000 elements: 1. **For loop**: A traditional `for` loop that increments a variable `i` from 0 to 9,999. 2. **Lodash range foreach**: Using the `_range` function from Lodash (a popular JavaScript utility library) to generate an array of numbers and then iterating over it using `_forEach`. 3. **Array foreach**: Iterating directly over an array created with `Array(10000)` using the `.forEach()` method. 4. **Lodash foreach with range**: Using both `_range` and `_forEach` from Lodash to generate and iterate over an array of numbers. **Comparison Options** The benchmark compares these four approaches to determine which one performs best in terms of execution speed. **Pros and Cons of Each Approach** 1. **For loop**: * Pros: Simple, straightforward, and widely supported. * Cons: Can be slower due to the overhead of incrementing a variable. 2. **Lodash range foreach**: * Pros: Provides a concise way to generate arrays and iterate over them using Lodash's optimized functions. * Cons: Adds dependency on Lodash, which may not be desirable in all projects. 3. **Array foreach**: * Pros: Efficient use of array iteration, as it leverages the engine's native optimization. * Cons: May require more code than traditional `for` loops. 4. **Lodash foreach with range**: * Pros: Combines the benefits of Lodash's optimized functions and array generation. * Cons: Still depends on Lodash, which may introduce additional complexity. **Library Use** The benchmark uses Lodash (version 4.17.11) to provide the `_range` and `_forEach` functions, which are used in two of the test cases. **Special JS Feature/Syntax** None of the provided benchmarks use any special JavaScript features or syntax. However, it's worth noting that newer versions of JavaScript may introduce new optimization techniques or features that could affect benchmark results. **Alternative Approaches** Other approaches to iterate over arrays might include: * Using `Array.prototype.map()` and `Array.prototype.forEach()` * Utilizing Web Workers or async/await for parallel execution * Leveraging modern JavaScript engines' optimizations, such as SIMD (Single Instruction, Multiple Data) instructions
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native for loop vs Array.prototype.forEach vs lodash forEach
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