<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
var data1 = null; var data2 = ""; var arr = ['', null];
let a = _.isEmpty(data1)
let a = (data1 == data2)
let a = _.isEmpty(arr)
let a = arr.includes(data1)
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
isEmpty with string/null | |
"==" Comparison | |
isEmpty with array | |
Js includes |
Test name | Executions per second |
---|---|
isEmpty with string/null | 52326944.0 Ops/sec |
"==" Comparison | 846729984.0 Ops/sec |
isEmpty with array | 7774066.0 Ops/sec |
Js includes | 30012072.0 Ops/sec |
Let's dive into the provided benchmark.
Overview
The benchmark measures the performance of JavaScript code snippets using two approaches: Lodash and vanilla JavaScript. The test cases are designed to cover different scenarios, including string and array comparisons.
Lodash Library
Lodash is a popular JavaScript utility library that provides a collection of functions for common tasks, such as data manipulation, string manipulation, and more. In this benchmark, Lodash is used for the _.isEmpty()
function, which checks if an object or array is empty.
Vanilla JavaScript Approach
The vanilla JavaScript approach uses native JavaScript methods to perform the same operations. For example, instead of using _.isEmpty()
, the test case uses (data1 == data2)
to check for equality.
Options Compared
Two options are compared in this benchmark:
_.isEmpty()
function to check if an object or array is empty.==
operator to compare two values.Pros and Cons
Here are some pros and cons of each approach:
Other Considerations
When choosing between these approaches, consider the following factors:
Special JS Feature
There isn't any special JavaScript feature or syntax mentioned in this benchmark. The test cases use standard JavaScript operations like equality checks (==
) and array methods (includes()
).
Alternative Approaches
Other alternatives to consider:
filter()
, map()
, and some()
.Keep in mind that each alternative has its pros and cons, and the choice ultimately depends on the project's requirements and your personal preferences as a developer.