Benchmark: string-interpolation2-vs-concatenation2

Script Preparation code:

var luckyNumber = Math.round(Math.random() * 100);

Tests:

string-interpolation
`${luckyNumber} your lucky number for today is: ${luckyNumber}`
string-concatenation
luckyNumber + 'your lucky number for today is: ' + luckyNumber

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
string-interpolation
string-concatenation

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 Edg/116.0.1938.76

Browser/OS: Chrome 116 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
string-interpolation	14175007.0 Ops/sec
string-concatenation	13336590.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the benchmark and explain what is being tested.

**Benchmark Definition**

The benchmark is defined by a JSON object that specifies two test cases:

1. **String Interpolation**: The test case uses string interpolation, which involves using a placeholder (`${}`) in a string to insert dynamic data. In this case, the placeholder is replaced with the value of `luckyNumber`, which is randomly generated.
2. **String Concatenation**: The second test case uses string concatenation, where two strings are joined together using the `+` operator.

**Options Compared**

The benchmark is comparing two approaches to string manipulation in JavaScript:

1. **String Interpolation (Template Literals)**: This approach uses template literals, which provide a more readable and concise way to insert dynamic data into strings.
2. **String Concatenation**: This traditional approach involves concatenating strings using the `+` operator.

**Pros and Cons**

**String Interpolation (Template Literals)**

Pros:

* More readable and concise
* Less error-prone than concatenation
* Can handle complex expressions, including variables, functions, and arithmetic operations

Cons:

* Not supported in older browsers (e.g., Internet Explorer)
* Requires support for template literals, which was introduced in ECMAScript 2015 (ES6)

**String Concatenation**

Pros:

* Wide support across modern browsers
* No dependencies on template literals or other features

Cons:

* Less readable and less concise than interpolation
* More error-prone due to potential issues with variable scoping, data types, and operator precedence

**Library Used**

None explicitly mentioned in the benchmark definition. However, template literals are a built-in feature of JavaScript, so no additional libraries are required.

**Special JS Feature or Syntax**

The benchmark uses template literals, which is a special syntax introduced in ECMAScript 2015 (ES6). Template literals provide a more readable and concise way to insert dynamic data into strings. They consist of two main parts:

* The backtick (`) character, which delimits the template literal.
* The expression inside the backticks, which can include variables, functions, and arithmetic operations.

For example:
```javascript
const name = 'John';
const age = 30;
const greeting = `Hello, my name is ${name} and I am ${age} years old.`;
```
In this example, `${name}` and `${age}` are replaced with the values of `name` and `age`, respectively.

**Other Alternatives**

If you prefer to use string concatenation or another approach, you can modify the benchmark definition to use a different method. For example:

* Use string concatenation:
```javascript
const greeting = 'Hello, my name is ' + name + ' and I am ' + age + ' years old.';
```
* Use a library like `lodash` for safer string manipulation:
```javascript
const _ = require('lodash');
const greeting = _.template('Hello, my name is ${name} and I am ${age} years old.')(name, age);
```

Related benchmarks:

string-interpolation2-vs-concatenation2 (version: 0)

Comparing performance of: string-interpolation vs string-concatenation

Created: one year ago by: Guest

Jump to the latest result

string-interpolation

string-concatenation

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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