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string concat vs stringify array
(version: 0)
Comparing performance of:
String concat vs Json stringify
Created:
2 years ago
by:
Guest
Go to the latest result
Script Preparation code:
const test = ["one", "two"];
Tests:
String concat
const test = ["one", "two"]; let bloop = test[0] + '.' + test[1];
Json stringify
const test = ["one", "two"]; let bloop = JSON.stringify(test);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
String concat
Json stringify
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0
Browser/OS:
Firefox 127 on Windows
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<iframe src="https://measurethat.net/Embed?id=531341" width="100%" height="500px"></iframe>
String concat
2180.9M/s
Json stringify
9.1M/s
View exact numbers
Test name
Executions per second
✓
String concat
2,180,908,800 Ops/sec
Json stringify
9,060,823 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested, the options compared, pros and cons of each approach, and other considerations. **Benchmark Description** The benchmark is comparing two approaches to concatenate strings in JavaScript: 1. **String concatenation using `+` operator** 2. **JSON stringification using `JSON.stringify()`** The goal is to determine which approach is faster and more efficient for concatenating strings. **Options Compared** The options being compared are: * String concatenation using the `+` operator * JSON stringification using `JSON.stringify()` **Pros and Cons of Each Approach** 1. **String Concatenation using `+` Operator** * Pros: + Easy to read and understand + No dependencies on external libraries * Cons: + Can lead to performance issues due to the creation of intermediate strings + May not be suitable for very large strings or concatenations 2. **JSON Stringification using `JSON.stringify()` * Pros: + Can handle large strings and concatenations efficiently + Creates a single, compact string without intermediate characters * Cons: + Requires the use of the JSON library, which may introduce dependencies + May have a slightly higher overhead due to the creation of a JSON object **Library Used:** In this benchmark, the `JSON` library is used for the `JSON.stringify()` approach. The `JSON` library provides a standardized way of encoding JavaScript objects as JSON strings. **Special JS Feature/Syntax: None** There are no special JavaScript features or syntaxes being tested in this benchmark. **Other Alternatives:** In addition to the two approaches compared, there are other ways to concatenate strings in JavaScript: * Using template literals ( introduced in ECMAScript 2015) * Using a custom implementation of concatenation using a string buffer Template literals, for example, provide a more readable and efficient way of concatenating strings: ```javascript const test = [\"one\", \"two\"]; let bloop = `${test[0]}${'.'}${test[1]}`; ``` This approach is similar to string concatenation using the `+` operator but provides better performance and readability. The benchmark also allows for custom implementations of concatenation, such as using a string buffer: ```javascript const test = [\"one\", \"two\"]; let bloop = ''; for (const s of test) { bloop += s; } ``` This approach can provide the best performance but may require more code and understanding of string manipulation. Overall, the benchmark provides a useful comparison of two common approaches to concatenating strings in JavaScript, highlighting their pros and cons, and allowing users to explore alternative solutions.
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