Benchmark: for loop vs. lodash range foreach vs. jquery each

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.1/lodash.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.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++; });
jquery each
var x = 0; $.each(Array(10000), function (i) { x++; });

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
for
lodash range foreach
array foreach
array lodash foreach
lodash range lodash foreach
jquery each

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):

LLMs can make mistakes. Check important info.

Measuring JavaScript performance is crucial for optimizing code and identifying potential bottlenecks.

**Benchmark Overview**

The provided JSON represents a benchmark test that compares the performance of four different approaches: `for`, `lodash range foreach`, `array foreach`, and `jquery each`. The test aims to measure the execution speed of these loops in executing 10,000 iterations.

**Options Compared**

The test compares the following options:

1. **For Loop**: A traditional `for` loop using a variable `i`.
2. **Lodash Range Foreach**: Using Lodash's `range` function and `forEach` method to iterate over an array.
3. **Array Foreach**: Using the `Array.forEach` method to iterate over an array.
4. **jQuery Each**: Using jQuery's `.each` method to iterate over an array.

**Pros and Cons**

1. **For Loop**:
	* Pros: Simple, easy to understand, and widely supported.
	* Cons: May be slower due to the overhead of incrementing a variable in each iteration.
2. **Lodash Range Foreach**:
	* Pros: Efficient use of Lodash's `range` function and `forEach` method.
	* Cons: Requires the inclusion of Lodash library, which may add unnecessary size to the code bundle.
3. **Array Foreach**:
	* Pros: More concise and expressive than traditional loops, leveraging array iteration methods.
	* Cons: May be slower due to the overhead of calling `forEach` on an array.
4. **jQuery Each**:
	* Pros: Easy to use and understand, leveraging jQuery's familiar `.each` method.
	* Cons: Requires the inclusion of jQuery library, which may add unnecessary size to the code bundle.

**Library and Syntax**

1. **Lodash**: A popular utility library for JavaScript that provides a range of functions for tasks like array manipulation, functional programming, and more. In this benchmark, Lodash is used for its `range` function.
2. **jQuery**: A widely-used JavaScript library for DOM manipulation, event handling, and Ajax interactions. In this benchmark, jQuery is used for its `.each` method.

**Special JS Features**

None mentioned in the provided JSON.

**Other Alternatives**

If you're looking to optimize loop performance or explore alternative iteration methods, consider:

1. **Using Web Workers**: For computationally intensive tasks that can be offloaded to a separate thread.
2. **Employing Iterators**: Using `for...of` loops with iterators for more efficient and readable array iteration.
3. **Utilizing Native Methods**: Leveraging native JavaScript methods like `Array.prototype.reduce()` or `Array.prototype.map()` for optimized array operations.

When optimizing loop performance, consider factors like:

1. Loop overhead
2. Array size and access patterns
3. Cache locality and memory usage
4. CPU utilization and instruction-level optimization

Keep in mind that performance optimizations often involve a trade-off between readability, maintainability, and performance.

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36

Browser/OS: Chrome 86 on Windows

View result in a separate tab

Test name	Executions per second
for	95806.7 Ops/sec
lodash range foreach	5026.7 Ops/sec
array foreach	30966.9 Ops/sec
array lodash foreach	16665.7 Ops/sec
lodash range lodash foreach	3881.3 Ops/sec
jquery each	4133.3 Ops/sec

Related benchmarks:

for loop vs. lodash range foreach vs. jquery each (version: 0)

Comparing performance of: for vs lodash range foreach vs array foreach vs array lodash foreach vs lodash range lodash foreach vs jquery each

Created: 5 years ago by: Guest

Jump to the latest result

for

lodash range foreach

array foreach

array lodash foreach

lodash range lodash foreach

jquery each

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):