Benchmark: StringInterpolation vs stringConcatenation

Script Preparation code:

var point = {
    name : "1",
    x : 1,
    y : 2
}

Tests:

Interpolation
`<br/>${point.name}: ${point.x}, ${point.y}`
Contatenation
'<br/>' +' '+point.name +' : '+point.x+' , '+ point.y

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Interpolation
Contatenation

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark and explain what's being tested, compared options, pros and cons of each approach, and other considerations.

**What is being tested?**

The benchmark tests two different ways to create strings in JavaScript:

1. **String Interpolation**: Using template literals (the `${...}` syntax) to insert values into a string.
2. **String Concatenation**: Using the `+` operator to concatenate strings together.

**Options compared:**

* Template literals (`${...}`)
* String concatenation (`+` operator)

**Pros and Cons of each approach:**

**Template Literals (Interpolation)**

Pros:

* More readable and expressive code
* Easier to write and maintain, especially for complex expressions
* Can handle multiple values with ease

Cons:

* May be slower due to the additional overhead of creating a template string
* Not supported in older browsers that don't support ES6+

**String Concatenation**

Pros:

* Generally faster than template literals, as it involves fewer operations
* Works in most browsers, including older ones

Cons:

* Can lead to more verbose and harder-to-read code
* Can be prone to errors due to the order of operations (e.g., `1 + 2 + 'hello'` would evaluate to `'123hello'`, not `'hello23'`)

**Other considerations:**

* In modern JavaScript engines, template literals are often faster than string concatenation due to the way they're optimized.
* However, for extremely performance-critical code or in environments with very limited resources, string concatenation might still be a better choice.

Now, let's look at the specific test cases:

**Test Case 1: Interpolation**

The benchmark uses template literals to create a simple HTML string with interpolation. The `Benchmark Definition` JSON contains a single template literal expression:
```javascript
`<br/>${point.name}: ${point.x}, ${point.y}`
```
This code will insert the values of `point.name`, `point.x`, and `point.y` into the resulting string.

**Test Case 2: Concatenation**

The second test case uses the `+` operator to concatenate strings:
```javascript
' '<br/> '+' point.name +' : '+point.x+' , '+ point.y
```
This code concatenates four separate strings together, using the `+` operator for each step.

**Library and syntax:**

There is no external library used in this benchmark. The template literal syntax (`${...}`) is a built-in JavaScript feature introduced in ES6.

If you're interested in exploring other alternatives or more complex scenarios, some possible options include:

* Using the `String.prototype.replace()` method with a function to create interpolated strings
* Employing a library like lodash or Moment.js for string manipulation and formatting
* Utilizing modern JavaScript features like regular expressions or function composition for complex string operations

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

Browser/OS: Chrome 95 on Windows

View result in a separate tab

Test name	Executions per second
Interpolation	5132759.0 Ops/sec
Contatenation	5187108.5 Ops/sec

Related benchmarks:

StringInterpolation vs stringConcatenation (version: 0)

Comparing performance of: Interpolation vs Contatenation

Created: 3 years ago by: Guest

Jump to the latest result

Interpolation

Contatenation

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):