Benchmark: String vs. Template Literal

Tests:

Template Literal String
for (let i = 0; i < 80; ++i) { let result = `Some string`; }
Regular String
for (let i = 0; i < 80; ++i) { let result = "Some string"; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Template Literal String
Regular String

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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Windows

View result in a separate tab

Test name	Executions per second
Template Literal String	41798884.0 Ops/sec
Regular String	40592188.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the benchmark and its test cases.

**Benchmark Overview**

The provided JSON represents a JavaScript microbenchmark, specifically comparing two approaches for string interpolation: regular strings (using double quotes) and template literals (using backticks).

**Test Cases**

There are only two test cases:

1. **Template Literal String**: This test case uses the `for` loop to iterate 80 times, assigning the result of a template literal expression (`"Some string"`). The template literal syntax is used with backticks (`) instead of double quotes (`").
2. **Regular String**: This test case is similar to the first one but uses regular strings (double quotes) instead of template literals.

**Options Compared**

The two test cases compare the performance of:

* Regular strings
* Template literals

**Pros and Cons of Each Approach**

1. **Regular Strings**
	* Pros:
		+ Widely supported by browsers
		+ Easier to read and write for many developers
	* Cons:
		+ Can lead to slower performance due to the overhead of string concatenation
2. **Template Literals**
	* Pros:
		+ Provide a more concise syntax for string interpolation
		+ Can improve performance by avoiding unnecessary string concatenation
	* Cons:
		+ May not be supported by older browsers (although recent versions of Firefox support it)
		+ Can be less readable for some developers

**Library**

There is no specific library mentioned in the provided JSON. However, template literals are a built-in feature of JavaScript.

**Special JS Feature or Syntax**

The use of backticks (`) instead of double quotes (`") is the key feature being tested. This syntax was introduced in ECMAScript 2015 (ES6) and provides a more concise way to create multiline strings.

**Other Considerations**

* Code readability: Template literals can make code more readable, but regular strings may be more familiar to some developers.
* Browser support: As mentioned earlier, older browsers might not support template literals. This could affect the benchmark's results if running on an older browser.

**Alternatives**

If you wanted to create a similar benchmark, you could consider testing other string interpolation methods, such as:

1. **Function concatenation**: Using `+` operator or `join()` method to concatenate strings.
2. **Array methods**: Using `map()`, `reduce()`, or `toString()` to manipulate strings.

You could also explore more advanced topics in JavaScript, such as:

1. **Regex**: Testing performance of regular expressions for string matching and replacement.
2. **String manipulation functions**: Comparing performance of built-in functions like `slice()`, `substring()`, or `replace()`.

Related benchmarks:

String vs. Template Literal (version: 0)

Comparing performance of: Template Literal String vs Regular String

Created: 3 years ago by: Guest

Jump to the latest result

Template Literal String

Regular String

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):