How can I implement autocompletion in a multiline ?</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="2012-03-27T00:24:40.653" class="fromnow">Mar 27 '12 at 00:24</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2012-03-27T00:39:58.180" datetime="2012-03-27T00:39:58.180">Mar 27 '12 at 00:39</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 297 times"> <span class="fc-light mr2">Viewed</span> 297 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="9881746" data-ownerid="72583" data-score="0"> <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="9881746"> <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> <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>Basically the functionality that I'm trying to replicate is the @reply system as it works here on StackOverflow. I have a list of comments, and I want the user to be able to type @ and see suggestions of usernames from all previous comments.</p> <p>I only found solutions that work on simple <code><input type="text"></code>, but not on a multiline <code><textarea></code>.</p> <p>I don't really care about compatibility with IE or legacy browsers.</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> <a href="../../questions/tagged/autocomplete" class="post-tag js-gps-track" title="show questions tagged 'autocomplete'" rel="tag">autocomplete</a> <a href="../../questions/tagged/textarea" class="post-tag js-gps-track" title="show questions tagged 'textarea'" rel="tag">textarea</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 owner grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="asked Mar 27 '12 at 00:24">asked Mar 27 '12 at 00:24</time> <a href="../../users/72583/jakub-arnold" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/72583.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="Jakub Arnold" /> </a> <div class="s-user-card--info"> <a href="../../users/72583/jakub-arnold" class="s-user-card--link">Jakub Arnold</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">85,596</li> <li class="s-award-bling s-award-blinggold" title="89 gold badges">89</li> <li class="s-award-bling s-award-blingsilver" title="230 silver badges">230</li> <li class="s-award-bling s-award-blingbronze" title="327 bronze badges">327</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> </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="9881853"></a> <div id="answer-9881853" class="answer accepted-answer" data-answerid="9881853" data-ownerid="468632" data-score="1" 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="9881853"> <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> <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>Basically, what you want to do is attach a keyup event handler to the textarea and in that handler you need to catch when the ctrl + 2 key combination is pressed. When you catch this, you need to show a popup containing your list of comments. When a comment is selected (clicked), insert the selected comment at the cursor position of the textarea. Here is a good example of how to do the last part - <a class="external-link" href="http://alexking.org/blog/2003/06/02/inserting-at-the-cursor-using-javascript" rel="nofollow">http://alexking.org/blog/2003/06/02/inserting-at-the-cursor-using-javascript</a>. Everything before is pretty straightforward.</p></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 Mar 27 '12 at 00:39">answered Mar 27 '12 at 00:39</time> <a href="../../users/468632/xcopy" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/468632.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="xcopy" /> </a> <div class="s-user-card--info"> <a href="../../users/468632/xcopy" class="s-user-card--link">xcopy</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">2,248</li> <li class="s-award-bling s-award-blingsilver" title="18 silver badges">18</li> <li class="s-award-bling s-award-blingbronze" title="24 bronze badges">24</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-9881853" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="9881853" 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-12603550" class="comment js-comment " data-comment-id="12603550" data-comment-owner-id="468632" 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="comment12603550_9881853"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Here is an example that is a bit more recent - http://stackoverflow.com/questions/1064089/inserting-a-text-where-cursor-is-using-javascript-jquery.</span> – <a href="../../users/468632/xcopy" title="2,248 reputation" class="comment-user ">xcopy</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/9881746/how-can-i-implement-autocompletion-in-a-multiline-textarea#comment12603550_9881853"><span title="2012-03-27T00:41:50.100 License: CC BY-SA 3.0" class="relativetime-clean">Mar 27 '12 at 00:41</span></a></span> </div> </div> </li> </ul> </div> </div> </div> </div> </div> </div> </div> </div> <script src="../../static/js/stack-icons.js"></script> <script src="../../static/js/fromnow.js"></script> </body> </html>