The latest articles on DEV Community by lucasfrutig0 (@lucasfrutig0). https://dev.to/lucasfrutig0 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F136475%2Ff7df75b8-3207-4043-aa4c-99fbd73b5e1f.jpg https://dev.to/lucasfrutig0 en lucasfrutig0 Tue, 12 Jan 2021 18:52:00 +0000 https://dev.to/lucasfrutig0/handle-map-in-react-2nkj https://dev.to/lucasfrutig0/handle-map-in-react-2nkj <p>Hi! I´m a beginner front end dev, and i have some work with react.<br> But i have a doubt with manipulate an element in a map render components.</p> <h2> The Problem </h2> <p>Change a msg variable in only one element in a map<br> So, i have this variable in a title element:<br> <a href="https://res.cloudinary.com/practicaldev/image/fetch/s--wbiHFZRz--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/n3053gwb7fm3ql9wknmx.png" class="article-body-image-wrapper"><img src="https://res.cloudinary.com/practicaldev/image/fetch/s--wbiHFZRz--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/n3053gwb7fm3ql9wknmx.png" alt="Alt Text"></a></p> <p>And when the button is pressed i call a function and try set the message in this way:<br> <a href="https://res.cloudinary.com/practicaldev/image/fetch/s--DVdjcWki--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/enm6481c8t93uhw5upis.png" class="article-body-image-wrapper"><img src="https://res.cloudinary.com/practicaldev/image/fetch/s--DVdjcWki--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/enm6481c8t93uhw5upis.png" alt="Alt Text"></a></p> <p><strong>Obs:</strong> I use useRef hook to get el reference in the dom</p> <p>So, anyone can help me with this?</p> help react