Benchmark: POJO vs Functions no loop

Script Preparation code:

var obj = {};

Tests:

POJO
var x = { value : 1, label : 'Codice fiscale', valueStyle : { fontsize: 14 }, isEmpty : function() { return !1==2 }, isVisible : true, style : { xs_width: "100%", sm_width: "50%", xs_marginBottom: 20, sm_paddingRight: 5 }, otherStuff : [ { style: {color: "red", xs_width: "100%", sm_width: "50%", xs_marginBottom: 20, sm_paddingRight: 5} , class: "test" }, { style: {color: "blue"}, class: "tost" } ] };
Function
obj = function() { var x = { value : 1, label : 'Codice fiscale', valueStyle : { fontsize: 14 }, isEmpty : function() { return !1==2 }, isVisible : true, style : { xs_width: "100%", sm_width: "50%", xs_marginBottom: 20, sm_paddingRight: 5 }, otherStuff : [ { style: {color: "red", xs_width: "100%", sm_width: "50%", xs_marginBottom: 20, sm_paddingRight: 5} , class: "test" }, { style: {color: "blue"}, class: "tost" } ] }; return x; }
Function w/ return
var y = function() { return { value : 1, label : 'Codice fiscale', valueStyle : { fontsize: 14 }, isEmpty : function() { return !1==2 }, isVisible : true, style : { xs_width: "100%", sm_width: "50%", xs_marginBottom: 20, sm_paddingRight: 5 }, otherStuff : [ { style: {color: "red", xs_width: "100%", sm_width: "50%", xs_marginBottom: 20, sm_paddingRight: 5} , class: "test" }, { style: {color: "blue"}, class: "tost" } ] }; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
POJO
Function
Function w/ return

Fastest: N/A

Slowest: N/A

Latest run results:

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

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Let's dive into the details of the provided benchmark.

**What is tested:**

The benchmark tests two approaches to defining an object with nested properties and methods:

1. **Object Literal (POJO - Plain Old JavaScript Object)**: The first test case uses an object literal syntax, where `var obj = {};`. This approach defines an object using curly brackets `{}` and key-value pairs.
2. **Function Expression**: The second test case uses a function expression syntax, where `obj = function() {...}`. This approach defines a function that returns an object.

**Options compared:**

The benchmark compares the performance of these two approaches:

1. **POJO (Object Literal)**: Defines an object using curly brackets `{}` and key-value pairs.
2. **Function Expression**: Defines a function that returns an object.

**Pros and Cons:**

* **POJO (Object Literal) Pros:**
	+ Easier to read and write, especially for complex objects with multiple nested properties.
	+ More concise syntax.
* **POJO (Object Literal) Cons:**
	+ Less flexible, as the order of properties is determined by the object literal syntax.
* **Function Expression Pros:**
	+ More flexible, as the function can be reused and its properties can be dynamically added or removed.
	+ Can be used to create objects on the fly.
* **Function Expression Cons:**
	+ Less readable and more verbose than POJO.

**Library usage:**

The benchmark does not use any external libraries. The test cases only rely on JavaScript's built-in features.

**Special JS feature or syntax:**

This benchmark uses a few special features, including:

* The `var` keyword with the assignment operator (`=`) to declare variables.
* The arrow function syntax (`=>`) is not used in this benchmark.
* The use of template literals (the `\r\n` and `\t` characters) for formatting string literals.

**Other alternatives:**

There are other approaches to defining objects, such as:

1. **Constructor functions**: Define a constructor function that returns an object using the `new` keyword.
2. **Class declarations**: Use class declarations with static properties and methods.
3. **Arrow function expressions**: Define small functions using arrow function syntax (`=>`).

However, these alternatives are not tested in this benchmark.

Overall, the benchmark provides a good insight into the performance differences between object literals and function expressions in JavaScript.

Related benchmarks:

POJO vs Functions no loop (version: 0)

Comparing performance of: POJO vs Function vs Function w/ return

Created: 9 years ago by: Guest

Jump to the latest result

POJO

Function

Function w/ return

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):