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string-interpolation-vs--concatenation
(version: 0)
Benchmark.js
Comparing performance of:
string-interpolation vs string-concatenation
Created:
3 years ago
by:
Guest
Go to the latest result
Script Preparation code:
var str = 'images/asia/tokyo.jpg'
Tests:
string-interpolation
`your lucky destination is: ${str}`
string-concatenation
'your lucky destination is: ' + str
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
string-interpolation
string-concatenation
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0
Browser/OS:
Chrome 120 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=492594" width="100%" height="500px"></iframe>
string-concatenation
15.4M/s
string-interpolation
15.2M/s
View exact numbers
Test name
Executions per second
✓
string-concatenation
15,389,850 Ops/sec
string-interpolation
15,244,258 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark definition and test cases to understand what is being tested. **Benchmark Definition** The benchmark definition consists of two parts: 1. **Script Preparation Code**: The script preparation code is used to prepare the variables and data needed for the benchmark. In this case, it simply assigns a string value `str` to a variable. 2. **Html Preparation Code**: The html preparation code is not used in this specific benchmark. **Individual Test Cases** There are two test cases: 1. **string-interpolation**: This test case uses template literals with backticks (`) to insert the value of `str` into a string. The syntax for template literals is: ```javascript `${expression}` ``` 2. **string-concatenation**: This test case uses the `+` operator to concatenate the string and the value of `str`. The syntax is: ```javascript 'string' + str ``` **Options Compared** The two options being compared are: 1. **Template Literals (string-interpolation)**: Uses backticks (`) to insert values into a string. 2. **String Concatenation (string-concatenation)**: Uses the `+` operator to concatenate strings. **Pros and Cons of Each Approach** **Template Literals (string-interpolation)** Pros: * More readable code * Less prone to errors due to improved type safety * Can be used with other built-in methods like `replace()` and `split()` Cons: * Requires backticks (`) around the expression to be inserted * May not work in older browsers that don't support template literals **String Concatenation (string-concatenation)** Pros: * Works on all browsers, even older ones * Simple syntax that is easy to understand Cons: * Less readable code due to repeated concatenations * More prone to errors due to type safety issues **Library and Purpose** There are no libraries explicitly mentioned in the benchmark definition. However, template literals (string-interpolation) rely on a standard JavaScript feature that is supported by most modern browsers. **Special JS Feature or Syntax** The `+` operator used for string concatenation is a built-in JavaScript syntax that has been available since the early days of JavaScript. There are no special syntax features involved in this benchmark. **Other Alternatives** If you want to compare other approaches, here are some alternatives: * **Using `StringBuilder` or similar classes**: If you're using a modern browser that supports it, you can use `StringBuilder` or similar classes to concatenate strings. * **Using regular expressions**: You could use regular expressions to format the string, but this would likely be overkill for a simple benchmark like this. Keep in mind that these alternatives might not be relevant to the specific benchmark definition and test cases provided.
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