<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
var array = [Array(100000).keys()];
var ram = Math.floor(100000 * Math.random());
array.every(n => n === ram)
_.every(array,n => n === ram)
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Array.prototype.every | |
Lodash every |
Test name | Executions per second |
---|---|
Array.prototype.every | 8798461.0 Ops/sec |
Lodash every | 4541157.5 Ops/sec |
Let's dive into the explanation of the provided benchmark.
Benchmark Definition
The benchmark compares the performance of Array.prototype.every()
and Lodash's every()
function. The purpose of this comparison is to determine which function is faster for a specific scenario: checking if all elements in an array equal a certain value (ram
).
Options Compared
Two options are compared:
ram
.Array.prototype.every()
but is a part of the Lodash library.Pros and Cons
every()
function due to its implementation details.every()
.Array.prototype.every()
, allowing for more complex tests.Library and Purpose
The Lodash library is a popular JavaScript utility library that provides various helper functions, including every()
. The purpose of the every()
function in Lodash is to check if all elements in an array pass a certain test. In this case, it's used to compare its performance with the built-in Array.prototype.every()
method.
Special JS Feature or Syntax
This benchmark doesn't use any special JavaScript features or syntax that would require specific knowledge of those topics. It only focuses on comparing the performance of two different methods for a simple array check.
Other Alternatives
If you're looking for alternative methods to compare all elements in an array, you could also consider:
Array.prototype.every()
with a custom callback function.every()
.However, for most use cases, using Array.prototype.every()
and/or Lodash's every()
function will be sufficient and performant enough.