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string vs string.toString()
(version: 0)
Comparing performance of:
string.toString() vs string
Created:
3 years ago
by:
Guest
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Tests:
string.toString()
let num = 'dzqzqdqzqzjhdzkqjhkqzhjkqzhkjqzhkjqzhkjdqzhkjqzdhkjqzdhkjqzhdkjh'; let nums = []; for(let i = 0; i < 10000; ++i) { nums.push(num.toString()); }
string
let num = 'dzqzqdqzqzjhdzkqjhkqzhjkqzhkjqzhkjqzhkjdqzhkjqzdhkjqzdhkjqzhdkjh'; let nums = []; for(let i = 0; i < 10000; ++i) { nums.push(num); }
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Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
string.toString()
string
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Overview** The provided benchmark compares two approaches to convert a string to another data type in JavaScript: concatenating strings using the `+` operator or converting the string to an array of its length using the `toString()` method. **Options Compared** There are two test cases: 1. **"string"`**: This approach uses concatenation to create an array of the input string's characters. 2. **"string.toString()"**: This approach converts the input string to a number (its ASCII code) and then pushes it to an array. **Pros and Cons** * **"string"`**: + Pros: Simple, straightforward implementation. + Cons: May lead to performance issues due to repeated concatenation operations. Each concatenation creates a new string object, which can be expensive in terms of memory allocation and garbage collection. * **"string.toString()"**: + Pros: More efficient than concatenation, as it avoids creating intermediate string objects. + Cons: Requires converting the string to an integer (its ASCII code), which may not be desirable if the input string contains non-ASCII characters. **Library Usage** There is no explicit library usage in these benchmarks. However, the `toString()` method used in the second test case relies on the built-in JavaScript `String.prototype.toString()` method, which is a part of the standard JavaScript library. **Special JS Features or Syntax** None of the tests explicitly use special JavaScript features or syntax beyond what is required to express the benchmarked logic. However, it's worth noting that the use of `let` and `const` for variable declarations is a modern JavaScript feature introduced in ECMAScript 2015 (ES6). **Alternative Approaches** Other approaches could be considered: * Using a library like Lodash or Underscore.js to implement string manipulation utilities. * Comparing performance using other data types, such as numbers or booleans. * Adding more test cases to cover edge cases, such as empty strings, null values, or Unicode characters. Keep in mind that these alternatives might not be directly relevant to the specific benchmark at hand, but they could be interesting areas for further exploration.
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