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benchmark assigment vs object.assign
(version: 0)
Comparing performance of:
benchmark1 vs benchmark2
Created:
4 years ago
by:
Guest
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Tests:
benchmark1
let div = document.createElement('div'); div.innerHTML = '<div> hello </div>'
benchmark2
let div = document.createElement('div'); Object.assign(div, { innerHTML : '<div> hello </div>' })
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
benchmark1
benchmark2
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the benchmark being measured on MeasureThat.net. The benchmark compares two approaches to assigning properties to an HTML element in JavaScript: using `innerHTML` property directly, and using the `Object.assign()` method. **Approach 1: Using `innerHTML` property** In this approach, a new `<div>` element is created using `document.createElement()`, and then its `innerHTML` property is set directly to contain the desired HTML content. This approach is simple and straightforward but may have some performance implications due to the overhead of manipulating the DOM. **Pros:** * Simple and easy to understand * Fast execution time, as it only involves a single property assignment **Cons:** * May incur additional overhead due to DOM manipulation * Can be less efficient than using `Object.assign()` if the element has multiple properties that need to be assigned simultaneously **Approach 2: Using `Object.assign()` method** In this approach, the same `<div>` element is created as before, but instead of setting its `innerHTML` property directly, the `Object.assign()` method is used to assign a single object with the desired HTML content. This approach can be more efficient than the first one if multiple properties need to be assigned simultaneously. **Pros:** * Can be more efficient when assigning multiple properties * Reduces DOM manipulation overhead **Cons:** * May have additional overhead due to method call and object creation * Requires understanding of how `Object.assign()` works (i.e., it modifies the target object in-place) Now, let's take a look at the test cases: 1. **benchmark1**: This test case creates a new `<div>` element using `document.createElement()`, sets its `innerHTML` property to contain some HTML content, and then assigns an object with more properties to the same element using `Object.assign()`. The expected outcome is that the element's final state will be what was assigned in the object. 2. **benchmark2**: This test case is similar to benchmark1, but it uses the `Object.assign()` method directly on the `<div>` element without assigning an intermediate object. In both cases, the goal is to measure which approach is faster when assigning properties to an HTML element. The latest benchmark results show that Chrome 95 (running on a Mac OS X 10.15.7 environment) executes **benchmark1** at approximately 216782 executions per second and **benchmark2** at approximately 198739 executions per second. This suggests that using `Object.assign()` can be faster in this specific scenario, but the difference is relatively small. Other alternatives to these approaches include: * Using `textContent` property instead of `innerHTML`, which might be more efficient for large HTML content. * Using template literals or string concatenation with HTML strings, which can be faster than using the DOM API directly. * Using a library like jQuery or React, which provide optimized methods for manipulating the DOM and can potentially outperform the built-in JavaScript methods. Keep in mind that these alternatives might require additional setup, configuration, or understanding of the underlying libraries or frameworks.
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