How to change color of certain words in ?</a></h1> </div> <div class="grid fw-wrap pb8 mb16 bb bc-black-075"> <div class="grid--cell ws-nowrap mr16 mb8" title="2016-01-12 19:07:53Z"> <span class="fc-light mr2">Asked</span> <time itemprop="dateCreated" datetime="2022-11-12T02:42:16.820" class="fromnow">Nov 12 '22 at 02:42</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2022-11-12T18:02:20.940" datetime="2022-11-12T18:02:20.940">Nov 12 '22 at 18:02</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 72 times"> <span class="fc-light mr2">Viewed</span> 72 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="74410029" data-ownerid="20420827" data-score="1"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container grid jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="74410029"> <button class="js-vote-up-btn grid--cell s-btn s-btnunset c-pointer"><svg aria-hidden="true" class="m0 svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 26h32L18 10 2 26z"></path></svg></button> <div class="js-vote-count grid--cell fc-black-500 fs-title grid fd-column ai-center" itemprop="upvoteCount" data-value="1">1</div> <button class="js-bookmark-btn s-btn s-btnunset c-pointer py4"> <svg aria-hidden="true" class="svg-icon iconBookmark" width="18" height="18" viewBox="0 0 18 18"><path d="M6 1a2 2 0 00-2 2v14l5-4 5 4V3a2 2 0 00-2-2H6zm3.9 3.83h2.9l-2.35 1.7.9 2.77L9 7.59l-2.35 1.7.9-2.76-2.35-1.7h2.9L9 2.06l.9 2.77z"></path></svg> <div class="js-bookmark-count mt4" data-value=""></div> </button> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"><p>I am creating an interactive programming website where users can type 3 commands: <code>turn right</code>, <code>turn left</code> and <code>forward n</code>. <code><textarea></code> to type commands:</p> <p><code><textarea name="codeEditor" id="codeEditor" ></textarea></code></p> <p><a class="external-link" href="https://i.stack.imgur.com/x3Sjp.png" rel="nofollow noreferrer"><img alt="How it looks" src="../../images/3841133746.webp"/></a></p> <p>Text is white. If user types any of the commands then text should turn orange. How to accomplish this with <code><textarea></code>?</p></div> <div class="mt24 mb12"> <div class="post-taglist grid gs4 gsy fd-column"> <div class="grid ps-relative"> <a href="../../questions/tagged/javascript" class="post-tag js-gps-track" title="show questions tagged 'javascript'" rel="tag">javascript</a> <a href="../../questions/tagged/html" class="post-tag js-gps-track" title="show questions tagged 'html'" rel="tag">html</a> <a href="../../questions/tagged/css" class="post-tag js-gps-track" title="show questions tagged 'css'" rel="tag">css</a> </div> </div> </div> <div class="mb0"> <div class="mt16 grid gs8 gsy fw-wrap jc-end ai-start pt4 mb16"> <div class="grid--cell mr16 fl1 w96"></div> <div class="post-signature grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="edited Nov 12 '22 at 18:02">edited Nov 12 '22 at 18:02</time> <a href="../../users/4157124/user4157124" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/4157124.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="user4157124" /> </a> <div class="s-user-card--info"> <a href="../../users/4157124/user4157124" class="s-user-card--link">user4157124</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">2,809</li> <li class="s-award-bling s-award-blinggold" title="13 gold badges">13</li> <li class="s-award-bling s-award-blingsilver" title="27 silver badges">27</li> <li class="s-award-bling s-award-blingbronze" title="42 bronze badges">42</li> </ul> </div> </div> </div> <div class="post-signature owner grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="asked Nov 12 '22 at 02:42">asked Nov 12 '22 at 02:42</time> <a href="../../users/20420827/jahan-manu" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/20420827.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="Jahan Manu" /> </a> <div class="s-user-card--info"> <a href="../../users/20420827/jahan-manu" class="s-user-card--link">Jahan Manu</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">25</li> <li class="s-award-bling s-award-blingbronze" title="5 bronze badges">5</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-74410029" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="74410029" data-min-length="15"> <ul class="comments-list js-comments-list" data-remaining-comments-count="0" data-canpost="false" data-cansee="true" data-comments-unavailable="false" data-addlink-disabled="true"> <li id="comment-131368039" class="comment js-comment " data-comment-id="131368039" data-comment-owner-id="1139052" data-comment-score="0"> <div class="js-comment-actions comment-actions"> <div class="comment-score js-comment-edit-hide"> </div> </div> <div class="comment-text js-comment-text-and-form"> <a name="comment131368039_74410029"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">I am bit out of the loop with JS and family, but as far as I remebr textarea didn't allow to change per word style. Check this: [link](https://stackoverflow.com/a/37160584/1139052). with Regex then probably you have more control</span> – <a href="../../users/1139052/razorphyn" title="1,314 reputation" class="comment-user ">Razorphyn</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/74410029/how-to-change-color-of-certain-words-in-textarea#comment131368039_74410029"><span title="2022-11-12T18:11:56.440 License: CC BY-SA 4.0" class="relativetime-clean">Nov 12 '22 at 18:11</span></a></span> </div> </div> </li> </ul> </div> </div> </div> </div> <div id="answers"> <a name="tab-top"></a> <div id="answers-header"> <div class="answers-subheader grid ai-center mb8"> <div class="grid--cell fl1"> <h2 class="mb0" data-answercount="9">1 Answers<span style="display:none;" itemprop="answerCount">1</span></h2> </div> </div> </div> <a name="74410339"></a> <div id="answer-74410339" class="answer accepted-answer" data-answerid="74410339" data-ownerid="2182349" data-score="0" itemprop="acceptedAnswer" itemscope="" itemtype="https://schema.org/Answer"> <div class="post-layout"> <div class="votecell post-layout--left"> <div class="js-voting-container grid jc-center fd-column ai-stretch gs4 fc-black-200" data-post-id="74410339"> <button class="js-vote-up-btn grid--cell s-btn s-btnunset c-pointer"><svg aria-hidden="true" class="m0 svg-icon iconArrowUpLg" width="36" height="36" viewBox="0 0 36 36"><path d="M2 26h32L18 10 2 26z"></path></svg></button> <div class="js-vote-count grid--cell fc-black-500 fs-title grid fd-column ai-center" itemprop="upvoteCount" data-value="0">0</div> <div class="js-accepted-answer-indicator grid--cell fc-green-500 py6 mtn8"><div class="ta-center"><svg aria-hidden="true" class="svg-icon iconCheckmarkLg" width="36" height="36" viewBox="0 0 36 36"><path d="m6 14 8 8L30 6v8L14 30l-8-8v-8z"></path></svg></div></div> </div> </div> <div class="postcell post-layout--right"> <div class="s-prose js-post-body" itemprop="text"><p>This approach uses an <code><input></code> element for entry and a list to display the command history. There is a transition to highlight the previous command and an error message to help the user.</p> <p></p><div class="snippet" data-babel="false" data-console="true" data-hide="false" data-lang="js"> <div class="snippet-code"> <pre class="snippet-code-js lang-js prettyprint-override"><code>const entry = document.getElementById("entry"); const error = document.getElementById("error"); const history = document.getElementById("history"); let last = document.getElementById("last"); let prev; entry.addEventListener("change", evt => { const valid = evt.target.checkValidity() error.classList.toggle("hidden", valid); if (valid) { prev = document.createElement("li"); prev.textContent = entry.value; history.insertBefore(prev, last); last = prev; entry.value = ''; } });</code></pre> <pre class="snippet-code-css lang-css prettyprint-override"><code>* { margin: 0; padding: 0; font-family: verdana, sans-serif; font-size: 28px; background-color: black; } #history { list-style: none; height: 9rem; color: white; } #history li { color: white; transition: color 2s; } #history li:first-child { color: #0ff; } #entry { background-color: black; color: #2f2; border: 1px solid white; outline: none; } .hidden { visibility: hidden; } .error { font-size: .5rem; color: red; }</code></pre> <pre class="snippet-code-html lang-html prettyprint-override"><code><input type="text" id="entry" placeholder="command" pattern="(turn (left|right)|forward \d+)" required> <span id="error" class="error hidden">'turn left', 'turn right' or 'forward #'</span> <ul id="history"> <li id="last"></li> </ul></code></pre> </div> </div> </div> <div class="mb0"> <div class="mt16 grid gs8 gsy fw-wrap jc-end ai-start pt4 mb16"> <div class="grid--cell mr16 fl1 w96"></div> <div class="post-signature grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="answered Nov 12 '22 at 04:14">answered Nov 12 '22 at 04:14</time> <a href="../../users/2182349/user2182349" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/2182349.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="user2182349" /> </a> <div class="s-user-card--info"> <a href="../../users/2182349/user2182349" class="s-user-card--link">user2182349</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">9,569</li> <li class="s-award-bling s-award-blinggold" title="3 gold badges">3</li> <li class="s-award-bling s-award-blingsilver" title="29 silver badges">29</li> <li class="s-award-bling s-award-bling__bronze" title="41 bronze badges">41</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> </div> </div> </div> </div> </div> </div> </div> <script src="../../static/js/stack-icons.js"></script> <script src="../../static/js/fromnow.js"></script> </body> </html>