Benchmark: Proxy object - MeasureThat.net

Script Preparation code:

var testObj = { a: "b" }

var handler = {
    get(target, prop) {
      return `Proxy${target[prop]}`;
    },
  };

var proxyObj = new Proxy(testObj, handler);

Tests:

Object
testObj.a
Proxy
proxyObj.a

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object
Proxy

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser/OS: Chrome 124 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Object	26214342.0 Ops/sec
Proxy	15357671.0 Ops/sec

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 MeasureThat.net and understand what's being tested.

**Benchmark Overview**

The benchmark is comparing two approaches: using an object and using a Proxy object in JavaScript.

**Options Compared**

Two options are being compared:

1. **Object**: The first option uses a regular JavaScript object (`testObj`) to store and retrieve data.
2. **Proxy**: The second option uses a Proxy object (`proxyObj`) to create a proxy for `testObj`. A Proxy object is a special type of object that allows you to control access to its properties.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

* **Object**:
	+ Pros: Simple, lightweight, and easy to implement.
	+ Cons: No runtime control over property access or modification.
* **Proxy**:
	+ Pros: Provides runtime control over property access or modification, can improve performance, and is more secure than using objects.
	+ Cons: More complex to implement, requires creating a custom handler object.

**Library and Special JS Feature**

The benchmark uses the `Proxy` object, which is a built-in JavaScript feature that allows you to create proxies for objects. The `Proxy` object provides a way to intercept property access or modification, making it possible to control how properties are accessed or modified.

**Other Considerations**

When using Proxy objects, consider the following:

* The handler function can be used to return different values or throw errors depending on the property being accessed.
* Proxies can also be used to implement caching, logging, or other features that require runtime control over property access or modification.

**Alternatives**

If you're interested in exploring alternative approaches, here are a few options:

* **JSON**: You could use JSON objects to store and retrieve data. However, this approach would likely be slower than using Proxy objects due to the overhead of serializing and deserializing JSON data.
* **Arrays**: Using arrays instead of objects or Proxies can also be an option. However, this approach might not provide the same level of control over property access or modification.

Overall, the benchmark is testing the performance difference between using regular JavaScript objects and Proxy objects in JavaScript, which is a common use case for improving performance and security in web applications.

Related benchmarks:

Proxy object (version: 1)

Object vs Proxy

Comparing performance of: Object vs Proxy

Created: one year ago by: Registered User

Jump to the latest result

Object

Proxy

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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