Benchmark: optionally chain me up on valentimes day - no safeword 2

Script Preparation code:

var obj = {a: 'name'};
var obj2 = undefined;
var complexObj = {a: {b: 'name'}}
var complexObj2 = {a: {b: undefined}};

Tests:

optional deez
let val = obj?.a;
if deez
let val; if(obj && obj.a) { val = obj.a }
optional nutz
let val = obj2?.a;
if nutz
let val; if(obj2 && obj2.a) { val = obj2.a }
optional sugon
let val = complexObj?.a?.b;
if sugon
let val; if(complexObj && complexObj.a && complexObj.a.b) { val = complexObj.a.b; }
optional sugondeez
let val = complexObj2?.a?.b;
if sugondeez
let val; if(complexObj2 && complexObj2.a && complexObj2.a.b) { val = complexObj2.a.b; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
optional deez
if deez
optional nutz
if nutz
optional sugon
if sugon
optional sugondeez
if sugondeez

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Definition JSON**

The provided Benchmark Definition JSON represents a set of tests that evaluate the performance of JavaScript code in various scenarios. The `Script Preparation Code` section defines the variables and objects used in each test case. Here's a brief explanation of what's tested:

* `optional deez`, `if nutz`, `if deez`, and `if sugondeez` test cases evaluate the performance of optional chaining (`?.`) in different situations.
* `optional sugon`, `if sugon`, `optional sugondeez`, and `if sugondeez` test cases evaluate the performance of nested optional chaining (`?.?`) in different situations.

**Options Compared**

The benchmark compares two approaches for each test case:

1. **Optional Chaining (`?.`)**: This syntax allows you to access a property or method on an object without explicitly checking if the object is null or undefined.
2. **Explicit Null Checking (`&&`)**: This approach requires you to manually check if the object is null or undefined before accessing its properties.

**Pros and Cons**

* **Optional Chaining (`?.`) Pros**:
	+ More concise and expressive code
	+ Less chance of runtime errors due to null pointer exceptions
	+ Can be more efficient, as it avoids unnecessary checks
* **Optional Chaining (`?.`)** Cons**:
	+ May lead to confusion or misinterpretation if not used correctly
	+ May result in slower performance compared to explicit null checking for certain use cases
* **Explicit Null Checking (`&&`) Pros**:
	+ More control over the flow of execution and error handling
	+ Can be more readable for developers who prefer a more explicit approach
	+ May provide better performance for certain use cases, especially when dealing with complex object graphs
* **Explicit Null Checking (`&&`) Cons**:
	+ Requires more code and may lead to longer execution times due to the additional checks

**Libraries and Special JS Features**

None of the test cases explicitly use a library or special JavaScript feature beyond the standard language features. However, it's worth noting that MeasureThat.net might be using some internal libraries or optimizations to improve performance.

**Other Alternatives**

If you're interested in exploring alternative approaches for optional chaining, you can consider the following:

* **Nullish Coalescing (`??`)**: This is a relatively new syntax introduced in JavaScript 2020 (ES12) that allows you to provide a default value when accessing an object's property.
* **Custom Null Checks**: You can implement your own null checking mechanisms using techniques like early returns, conditional statements, or even using a library like Lodash.

Keep in mind that the performance differences between these approaches may vary depending on the specific use case and JavaScript environment.

Related benchmarks:

optionally chain me up on valentimes day - no safeword 2 (version: 0)

Comparing performance of: optional deez vs if deez vs optional nutz vs if nutz vs optional sugon vs if sugon vs optional sugondeez vs if sugondeez

Created: 3 years ago by: Registered User

Jump to the latest result

optional deez

if deez

optional nutz

if nutz

optional sugon

if sugon

optional sugondeez

if sugondeez

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):