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string-interpolation-vs-toString-vs-plus-string
(version: 0)
Comparing performance of:
string-interpolation vs toSstring vs +
Created:
3 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var luckyNumber = Math.round(Math.random() * 100);
Tests:
string-interpolation
` ${luckyNumber}`
toSstring
luckyNumber.toString()
+
'' + luckyNumber
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
string-interpolation
toSstring
+
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0
Browser/OS:
Firefox 142 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=615449" width="100%" height="500px"></iframe>
toSstring
1503.5M/s
+
1466.4M/s
string-interpolation
328.8M/s
View exact numbers
Test name
Executions per second
✓
toSstring
1,503,473,024 Ops/sec
+
1,466,410,496 Ops/sec
string-interpolation
328,763,424 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and explain what's being tested. **Benchmark Overview** The benchmark compares three different ways to concatenate strings in JavaScript: string interpolation, `toString()`, and the "+" operator (also known as the concatenation operator). **Test Cases** There are three test cases: 1. **string-interpolation**: This test case uses template literals with a variable (`luckyNumber`) inside the backticks (` `` ). The idea is to measure how fast this syntax can be executed. 2. **toSstring**: This test case calls the `toString()` method on the `luckyNumber` variable. This is a built-in JavaScript method that converts a number to a string. 3. **+**: This test case uses the "+" operator ( concatenation operator) to concatenate two strings, one of which is the result of calling `toString()` on `luckyNumber`. **Library and Special Features** None of the test cases rely on any external libraries or special JavaScript features beyond what's built into the browser. **Options Compared** The benchmark compares the performance of three different string concatenation methods: * **string-interpolation**: uses template literals with variables inside backticks (` `` ) * **toSstring**: calls the `toString()` method on a number variable * **+**: uses the "+" operator (concatenation operator) to concatenate two strings **Pros and Cons** Here's a brief summary of each approach: * **string-interpolation**: + Pros: concise, expressive syntax; can be more readable for complex string templates. + Cons: may incur overhead due to template parsing and evaluation. * **toSstring**: This method is straightforward and easy to understand. However, it's a method call, which might involve some overhead compared to the other two options. * **+**: + Pros: simple, efficient, and widely supported. + Cons: can lead to code duplication (e.g., `a + 'hello'` instead of `a.concat('hello')`) and may not be as readable for complex concatenations. **Other Considerations** When choosing a string concatenation method, consider the trade-off between performance, readability, and maintainability. If you need to concatenate simple strings, the "+" operator is usually sufficient. For more complex templates or when performance matters, template literals with variables (like in `string-interpolation`) might be a better choice. **Alternatives** If you're looking for alternative string concatenation methods, consider: * **`+` operator**: As mentioned earlier, this is a simple and efficient way to concatenate strings. * **`concat()` method**: This method is similar to the "+" operator but can be more readable when used with object literals (e.g., `obj.a.concat('hello')`). * **String concatenation using spread operators (`...`)**: This syntax was introduced in ECMAScript 2015 and allows for string interpolation using variables (e.g., `'hello ${name}'`). While not as widely supported as template literals, it's a concise alternative. * **`immer` or other state management libraries**: These libraries provide more advanced string manipulation features, such as immutable strings, but are typically used in specific contexts (e.g., data-driven applications). Keep in mind that the choice of concatenation method ultimately depends on your project's requirements and personal preference.
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