Benchmark: No string building — faster code! Or not?.. Complex data.

Script Preparation code:

function translate(arg1, arg2) {
	return ` some text ${arg1.toFixed(2)} other text ${arg2.toLocaleString()}`;
}

const template = [' some text ', ' other text '];
function getTranslatable(arg1, arg2) {
	return {
		template: template,
		args: [arg1, arg2],
	};
}

function isEqual(t1, t2) {
	if (t1.template !== t2.template) {
		return false;
	}
	
	return t1.args.every((arg, index) => arg instanceof Date && t2.args[index] instanceof Date ? 
                                         arg.valueOf() === t2.args[index].valueOf() : 
                                         arg === t2.args[index]
    );
}

results1 = [];
results2 = [];

Tests:

build strings and compare them
const s1 = translate(123.45678, new Date('1995-12-17T03:24:00.012+04:00')); const s2 = translate(123.45678, new Date('1995-12-17T03:24:00.012+04:00')); results1.push(s1 !== s2);
compare declarative objects
const t1 = getTranslatable(123.45678, new Date('1995-12-17T03:24:00.012+04:00')); const t2 = getTranslatable(123.45678, new Date('1995-12-17T03:24:00.012+04:00')); results2.push(isEqual(t1, t2));

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
build strings and compare them
compare declarative objects

Fastest: N/A

Slowest: N/A

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

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

**Benchmark Definition**

The benchmark definition provides information about the test case, including:

*   **Script Preparation Code**: This code snippet prepares the JavaScript environment for the test by defining two functions: `translate` and `getTranslatable`. These functions are used to create complex data structures that will be compared later.
*   **Html Preparation Code**: There is no HTML preparation code provided, indicating that this benchmark does not rely on an HTML page.

**Individual Test Cases**

The benchmark defines two individual test cases:

1.  **"build strings and compare them"`: This test case creates two identical string values using the `translate` function with different arguments (two numeric values) and checks if they are equal.
2.  **"compare declarative objects"`: This test case uses the `getTranslatable` function to create two identical data structures with template strings, object properties, and arrays containing dates, and then compares them using the `isEqual` function.

**Tested Options**

The benchmark tests different JavaScript options for string building and comparison:

1.  **String Interpolation**: The `translate` function uses string interpolation (`' some text ${arg1.toFixed(2)} other text ${arg2.toLocaleString()}'`) to build strings with dynamic values.
2.  **Object Comparison**: The `getTranslatable` function creates objects containing template strings, object properties, and arrays, which are then compared using the `isEqual` function.

**Pros and Cons of Different Approaches**

Here are some pros and cons of each approach:

*   **String Interpolation (e.g., `'some text ${arg1.toFixed(2)} other text ${arg2.toLocaleString()}'`)**
    *   Pros:
        *   Easy to use and understand
        *   Fast execution
    *   Cons:
        *   Limited control over string building
*   **Object Comparison (e.g., `isEqual(t1, t2)`)**

*   Pros:
        *   More flexible than string interpolation
        *   Better support for complex data structures
    *   Cons:
        *   Slower execution compared to string interpolation
*   **Declarative Object Creation (e.g., `getTranslatable(123.45678, new Date('1995-12-17T03:24:00.012+04:00'))`)**

*   Pros:
        *   Easy to create and manage complex data structures
        *   Supports object properties and arrays with dates
    *   Cons:
        *   May be slower than string interpolation or simple object comparison

**Libraries Used**

The benchmark uses the following JavaScript libraries:

*   None explicitly mentioned in the provided code snippets.

However, it's worth noting that some JavaScript environments (e.g., Node.js) may have built-in support for certain features like `Date` objects and `toLocaleString()` methods. In such cases, these features might be considered part of the JavaScript standard library.

**Special JS Features or Syntax**

The benchmark uses a few advanced JavaScript features:

*   **Template Strings**: The `translate` function uses template strings to build dynamic strings with values.
*   **Arrow Functions**: The `getTranslatable` and `isEqual` functions use arrow functions for concise syntax.
*   **Spread Operator**: The `args` array in the `getTranslatable` function uses the spread operator (`...`) to expand the array.

Overall, the benchmark provides a comprehensive test case for evaluating JavaScript performance in building and comparing strings and complex data structures.

Related benchmarks:

No string building — faster code! Or not?.. Complex data. (version: 0)

Comparing performance of: build strings and compare them vs compare declarative objects

Created: 5 years ago by: Guest

Jump to the latest result

build strings and compare them

compare declarative objects

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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