Benchmark: test_html_in_javascript

HTML Preparation code:

<!DOCTYPE html>
<html lang="pt-BR">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Teste</title>
</head>
<body>
    <div id="container">

    </div>
</body>
</html>

Tests:

teste_template_string
const tpl = document.getElementById('container'); tpl.innerHTML += ` <div> <h1>Heading</h1> <p>Paragraph 1</p> <p>Paragraph 2</p> <button>Button</button> </div> `;
test_template
const tpl = document.createElement('template'); tpl.innerHTML = ` <div> <h1>Heading</h1> <p>Paragraph 1</p> <p>Paragraph 2</p> <button>Button</button> </div> `; const el = tpl.content.firstElementChild document.documentElement.appendChild(el.cloneNode());

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
teste_template_string
test_template

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

Let's break down what's being tested in this benchmark.

**Overview**

The benchmark is designed to measure the performance of two approaches for rendering HTML templates in JavaScript: using template literals (template strings) and using `document.createElement` with `innerHTML`.

**Template Literals vs. Document.createElement**

Both approaches aim to render an HTML string into a DOM element, but they differ in how they achieve this.

**Template Literals**

The first test case uses template literals (````) to create the HTML string. Template literals are a feature introduced in ECMAScript 2015 (ES6) that allows you to embed expressions inside string literals using backticks (`).

In this benchmark, the `tpl.innerHTML` property is set to the template literal string, which is then rendered into the DOM.

**Document.createElement**

The second test case uses `document.createElement` with `innerHTML` to create the HTML string. This approach involves:

1. Creating a new `<template>` element using `document.createElement('template')`.
2. Setting the `innerHTML` property of the template element to the HTML string.
3. Retrieving the first child element of the template element using `tpl.content.firstElementChild`.
4. Cloning the child element and appending it to the document's root element using `document.documentElement.appendChild(el.cloneNode())`.

**Pros and Cons**

**Template Literals:**

Pros:

* More concise and readable code
* No need to create a separate DOM element for rendering

Cons:

* May not be supported in older browsers or environments
* Can be slower due to the overhead of parsing the template string

**Document.createElement:**

Pros:

* Wide browser support (even older versions)
* Can provide more control over the rendering process

Cons:

* Requires creating a separate DOM element, which can lead to additional overhead
* May require more complex code for rendering and cloning elements

**Library Usage**

There is no library usage in this benchmark.

**Special JS Features/Syntax**

The template literal feature (``) introduced in ES6 is being used here. Note that the `document.createElement('template')` syntax is also a recent addition to JavaScript, allowing you to create `<template>` elements programmatically.

**Alternatives**

Other approaches for rendering HTML templates include:

* Using a dedicated templating engine like Handlebars or Mustache.
* Utilizing a library like React or Vue.js for building user interfaces.
* Leveraging browser-specific APIs like `HTML Import` (for importing and rendering HTML modules).

Keep in mind that the choice of approach depends on the specific use case, performance requirements, and personal preference.

Related benchmarks:

test_html_in_javascript (version: 0)

Comparing performance of: teste_template_string vs test_template

Created: 4 years ago by: Guest

Jump to the latest result

teste_template_string

test_template

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):