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String vs template string
(version: 0)
Comparing performance of:
Template vs String
Created:
3 years ago
by:
Guest
Go to the latest result
Tests:
Template
for (let i = 0; i < 1000; i++) { const str = `Test string with long text to check perfomance`; }
String
for (let i = 0; i < 1000; i++) { const str = "Test string with long text to check perfomance"; }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Template
String
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
6 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0
Browser/OS:
Firefox 146 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=623886" width="100%" height="500px"></iframe>
Template
2.4M/s
String
2.1M/s
View exact numbers
Test name
Executions per second
✓
Template
2,377,047 Ops/sec
String
2,054,326 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. **Benchmark Overview** The benchmark compares the performance of using strings versus template literals in JavaScript. Template literals are a feature introduced in ECMAScript 2015 (ES6) that allow you to embed expressions inside string literals, making it easier to create formatted strings. **Options Compared** There are two options being compared: 1. **String**: Using traditional string concatenation with the `+` operator. 2. **Template**: Using template literals, which allows you to embed expressions inside string literals. **Pros and Cons of Each Approach** **String:** * Pros: + Wide browser support (even older browsers may not support template literals). + Easy to implement if you're familiar with traditional string concatenation. * Cons: + Can lead to slower performance due to the overhead of creating a new string object on each iteration. **Template:** * Pros: + Faster performance since it avoids creating a new string object on each iteration. + More readable and easier to maintain, especially for complex formatting scenarios. * Cons: + Requires support for ES6 template literals, which might not be supported in older browsers. **Library Use** There is no library being used in this benchmark. It's purely focusing on comparing the performance of string concatenation versus template literals. **Special JS Feature or Syntax** The benchmark uses a special feature: **template literals**, which was introduced in ES6 (ECMAScript 2015). Template literals allow you to embed expressions inside string literals, making it easier to create formatted strings. The syntax is `const str = `${expression}`;`, where `expression` can be any valid JavaScript expression. **Other Considerations** When writing performance-critical code, especially in a browser environment, consider the following: * Avoid unnecessary object creation and reusing existing objects when possible. * Use built-in methods like `String.prototype.repeat()` or `Array.prototype.map()` instead of loops for repeated operations. * Profile your code with tools like Chrome DevTools or Node.js Inspector to identify performance bottlenecks. **Alternatives** If you're looking for alternative benchmarks, consider the following options: 1. **Math Operations**: Compare the performance of basic arithmetic operations (e.g., addition, multiplication, exponentiation) using different methods. 2. **DOM Manipulation**: Test the performance of manipulating DOM elements, such as creating and deleting nodes, or updating element attributes. 3. **Web Storage**: Benchmark the performance of storing and retrieving data in web storage APIs like `localStorage` or `sessionStorage`. Keep in mind that these alternatives might be more suitable for specific use cases or performance-critical code paths.
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