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Textarea Auto Height Duplicate

Many developers have encountered the challenge of creating a dynamic textarea that adjusts its height based on the content, which is where the concept of "Textarea Auto Height Duplicate" comes into play. This feature allows the textarea to expand vertically as the user inputs more text, providing a smoother and more user-friendly experience.

To implement the textarea auto height duplicate functionality in your project, you can utilize a few lines of JavaScript code along with some CSS styling. First, you need to create a textarea element in your HTML markup with a specific class or id to target it later in the script.

Then, you can add event listeners to detect input changes in the textarea. Whenever the input changes, you can calculate the scroll height of the textarea content and set the textarea element's style height property to match that value. This way, the textarea will automatically adjust its height to fit the content.

Here is a basic example of how you can achieve textarea auto height duplicate using JavaScript:

Html

<title>Textarea Auto Height Duplicate</title>
    
        /* Add some basic styling for the textarea */
        .auto-height-textarea {
            width: 100%;
            min-height: 60px;
            resize: none;
        }
    



    <textarea class="auto-height-textarea"></textarea>

    
        const textarea = document.querySelector('.auto-height-textarea');

        textarea.addEventListener('input', () =&gt; {
            textarea.style.height = 'auto';
            textarea.style.height = textarea.scrollHeight + 'px';
        });

In this code snippet, we first select the textarea element using `querySelector`. Then, we add an event listener to the textarea that triggers whenever the user inputs text. Inside the event listener, we reset the textarea's height to 'auto' and then set it to match the scroll height of the textarea content.

By incorporating this simple JavaScript logic, you can achieve the text area auto height duplicate feature effortlessly. This dynamic behavior not only enhances the usability of your text input fields but also provides a more visually appealing interface for users interacting with your web application. Feel free to customize the styling and behavior further to suit your specific project requirements.

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