Displaying Line Numbers in a HTML Textarea When working with a element, it can be beneficial to display line numbers along its left margin for enhanced code readability and debugging.</p> <p><strong>CodeMirror as a Solution</strong></p> <p>CodeMirror is a powerful code editor library that can be leveraged to add line numbers to a <textarea>. Its extensive documentation provides detailed guidance for its implementation.</p> <p><strong>Implementation Demo</strong></p> <p>A fully functional demo can be found in the StackOverflow sandbox:</p> <div class="code" style="position:relative; padding:0px; margin:0px;"><pre>var editor = CodeMirror.fromTextArea(document.getElementById('code'), { lineNumbers: true, mode: 'text/x-perl', theme: 'abbott', });</pre><div class="contentsignin">Copy after login</div></div> <p><strong>Additional Resources</strong></p> <p>For further assistance and customization options, refer to the following resources:</p> <ul> <li>CodeMirror Documentation: https://codemirror.net/doc/</li> <li>CSS for CodeMirror: https://codemirror.net/doc/manual.html#styling</li> </ul>
