Benchmark: Foreach IF Else VS For General Switch Case

Script Preparation code:

var GeocodingAddressTypes = {
  city: 'administrative_area_level_2',
  district: 'administrative_area_level_3',
  postalCode: 'postal_code',
  province: 'administrative_area_level_1',
  route: 'route',
  village: 'administrative_area_level_4',
};

var geocodingAddress = [
    GeocodingAddressTypes.city,
    GeocodingAddressTypes.district,
    GeocodingAddressTypes.postalCode,
    GeocodingAddressTypes.province,
    GeocodingAddressTypes.route,
    GeocodingAddressTypes.village,
];

var addressComponents = [
    {
        long_name: "Long Name 1",
        short_name: "Short Name 1",
        types: ["administrative_area_level_1"],
    },
    {
        long_name: "Long Name 1",
        short_name: "Short Name 1",
        types: ["administrative_area_level_4", "administrative_area_level_1"],
    },
    {
        long_name: "Long Name 3",
        short_name: "Short Name 3",
        types: ["administrative_area_level_3","administrative_area_level_4", "administrative_area_level_1"],
    },
    {
        long_name: "Long Name 4",
        short_name: "Short Name 4",
        types: ["postal_code"],
    },
    {
        long_name: "Long Name 5",
        short_name: "Short Name 5",
        types: ["route","administrative_area_level_4", "administrative_area_level_2"],
    }
];

var cityName = '';
var districtName = '';
var postalCode = '';
var province = '';
var route = '';
var village = '';

Tests:

Foreach IF Else
addressComponents.forEach((ac) => { if (ac.types.includes(GeocodingAddressTypes.city)) { cityName = ac.long_name; } else if (ac.types.includes(GeocodingAddressTypes.district)) { districtName = ac.long_name; } else if (ac.types.includes(GeocodingAddressTypes.postalCode)) { postalCode = ac.long_name; } else if (ac.types.includes(GeocodingAddressTypes.province)) { province = ac.long_name; } else if (ac.types.includes(GeocodingAddressTypes.route)) { route = ac.long_name; } else if (ac.types.includes(GeocodingAddressTypes.village)) { village = ac.long_name; } });
For Switch Case
for(var j = 0; j < addressComponents.length; j++) { let addressType = ""; for(var i = 0; i < addressComponents[j].types.length; i++) { if(addressType) break; if(geocodingAddress.includes(addressComponents[j].types[i])) { addressType = addressComponents[j].types[i]; break; } } switch(addressType) { case GeocodingAddressTypes.city: cityName = addressComponents[j].long_name; break; case GeocodingAddressTypes.district: districtName = addressComponents[j].long_name; break; case GeocodingAddressTypes.postalCode: postalCode = addressComponents[j].long_name; break; case GeocodingAddressTypes.province: province = addressComponents[j].long_name; break; case GeocodingAddressTypes.route: route = addressComponents[j].long_name; break; case GeocodingAddressTypes.village: village = addressComponents[j].long_name; break; default: break; } }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Foreach IF Else
For Switch Case

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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I'll break down the benchmark and its components to explain what's being tested.

**Benchmark Overview**

The benchmark, titled "Foreach IF Else VS For General Switch Case," compares the performance of three different approaches:

1. **Foreach with If-Else**: This approach uses a `forEach` loop with an `if-else` statement inside it.
2. **For Loop with Switch Statement**: This approach uses a traditional `for` loop and a `switch` statement to filter and assign values.

**Test Case 1: Foreach with If-Else**

In this test case, the script iterates over the `addressComponents` array using `forEach`. Inside the loop, it checks each component's type against the `GeocodingAddressTypes` object and assigns a value accordingly. The `if-else` statement is used to make decisions based on the component types.

**Test Case 2: For Loop with Switch Statement**

In this test case, the script uses a traditional `for` loop to iterate over the `addressComponents` array. Inside the loop, it iterates again over the component's types using another `for` loop and breaks when it finds a match. Then, it uses a `switch` statement to filter and assign values based on the matched type.

**Options Compared**

The two approaches being compared are:

* **Foreach with If-Else**: This approach is more concise but may have performance implications due to the overhead of function calls.
* **For Loop with Switch Statement**: This approach is more verbose but can be optimized for better performance, especially when dealing with large datasets.

**Pros and Cons**

**Foreach with If-Else:**

Pros:

* Concise code
* Easy to read and maintain

Cons:

* Potential performance overhead due to function calls
* May not be suitable for very large datasets or performance-critical applications

**For Loop with Switch Statement:**

Pros:

* Can be optimized for better performance, especially when dealing with large datasets
* Allows for explicit control over the filtering process

Cons:

* More verbose code compared to `foreach` with `if-else`
* May require more careful consideration of the switch statement's complexity

**Other Considerations**

Both approaches have trade-offs in terms of readability, maintainability, and performance. The choice between them ultimately depends on the specific requirements of the project and personal preference.

**Libraries Used**

The benchmark uses the `GeocodingAddressTypes` object, which is not a standard JavaScript library. It appears to be a custom-defined object containing various address types (city, district, postal code, province, route, village). The script also uses the `addressComponents` array, which is populated with sample data.

**Special JS Features/Syntax**

The benchmark does not explicitly use any special JavaScript features or syntax beyond the ones mentioned above. However, it's worth noting that the use of a custom-defined object like `GeocodingAddressTypes` may be considered an unconventional approach to addressing types in JavaScript.

Related benchmarks:

Foreach IF Else VS For General Switch Case (version: 2)

Comparing performance of: Foreach IF Else vs For Switch Case

Created: 4 years ago by: Registered User

Jump to the latest result

Foreach IF Else

For Switch Case

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):