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Learn how to extract `multiline HTML` content from a contenteditable div using JavaScript and jQuery with this easy-to-follow guide.
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This video is based on the question https://stackoverflow.com/q/65029396/ asked by the user 'qadenza' ( https://stackoverflow.com/u/3044737/ ) and on the answer https://stackoverflow.com/a/65029590/ provided by the user 'Scott Marcus' ( https://stackoverflow.com/u/695364/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Get Multiline HTML from a Contenteditable Div

When working on web applications that require user-generated content, you may have encountered a contenteditable div. This is a powerful feature in HTML that allows users to edit the content directly on the page. However, a common challenge developers face is extracting the typed multiline HTML content from this div. In this post, we will break down the solution step-by-step, ensuring that you can retrieve the desired HTML format without any hassle.

The Problem

Imagine you have a contenteditable div, and after typing some text, you want to extract that text with proper HTML paragraph tags. The typical output might look something like this:

[[See Video to Reveal this Text or Code Snippet]]

But what you really want is:

[[See Video to Reveal this Text or Code Snippet]]

This transformation requires you to effectively manipulate the HTML content of the div, which can be tricky if you're not sure where to start.

The Solution: Using JavaScript and jQuery

Fortunately, with a bit of JavaScript and jQuery magic, you can achieve this task quite easily. Below, we will break down the solution into clear, manageable sections.

Step 1: Setting Up Your HTML

First, let's create the required HTML structure. You will need a button to trigger the extraction and a contenteditable div to input your multiline text. Here’s the code you’ll use:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Adding Your CSS

To style the contenteditable div and the textarea, you might want a little CSS:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Writing the JavaScript Logic

Now comes the most critical part — the JavaScript code that will handle the extraction of your content. This code listens for the button click and processes the input from the contenteditable div.

Here’s how the logic works:

Set the default paragraph separator for the contenteditable div.

On button click, grab the HTML content of the div, split it into sections by line breaks, and wrap each section with the <p> tags.

Here's the code to accomplish this:

[[See Video to Reveal this Text or Code Snippet]]

How It Works

Splitting the Content: The content in the editable div is cleaned up and split into an array of strings based on line breaks or <p> tags.

Wrapping with Paragraph Tags: Each string in the array is then wrapped in <p> tags and combined back into a single string to be displayed in the textarea.

Conclusion

By following these steps, you can effectively extract multiline HTML content from a contenteditable div. This can be incredibly useful for forms, text editors, or any application that requires rich text input from users. Don't forget to customize the styles and functionalities to meet the specific needs of your application!

Now you're ready to implement this solution and enhance user experience on your web applications. Happy coding!