Скачать или смотреть can i build a code sandbox using web components

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certainly! a code sandbox is an interactive environment where users can write, run, and test code snippets. building a simple code sandbox using web components allows you to encapsulate functionality and styles, making it reusable and modular. this tutorial will guide you through creating a basic code sandbox using web components, including an html editor and a preview area.

what are web components?

web components is a suite of different technologies allowing you to create reusable custom elements with their functionality encapsulated away from the rest of your code. the main technologies are:

1. *custom elements* - define new html tags.
2. *shadow dom* - encapsulate styles and markup.
3. *html templates* - define markup that isn’t displayed until instantiated.

building a simple code sandbox

step 1: setting up the project structure

create a new directory for your project and set up the following structure:

```
code-sandbox/
├── index.html
└── styles.css
```

step 2: create the html file

open `index.html` and add the following code:

```html
!doctype html
html lang="en"
head
meta charset="utf-8"
meta name="viewport" content="width=device-width, initial-scale=1.0"
titlecode sandbox/title
link rel="stylesheet" href="styles.css"
/head
body
code-sandbox/code-sandbox

script src="sandbox.js" type="module"/script
/body
/html
```

step 3: create the css file

open `styles.css` and add some basic styles:

```css
body {
font-family: arial, sans-serif;
display: flex;
flex-direction: column;
align-items: center;
margin: 0;
}

code-sandbox {
width: 80%;
max-width: 800px;
}

.editor, .preview {
border: 1px solid ccc;
margin: 10px 0;
padding: 10px;
width: 100%;
height: 300px;
box-sizing: border-box;
}

.editor {
resize: vertical;
overflow: auto;
}

.preview {
background-color: f9f9f9;
}
```

step 4: create the javascript file

create a fil ...

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