How do I dynamically scroll a in Angular?</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="2020-04-10T21:50:07.123" class="fromnow">Apr 10 '20 at 21:50</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2020-04-11T00:45:44.013" datetime="2020-04-11T00:45:44.013">Apr 11 '20 at 00:45</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 3,683 times"> <span class="fc-light mr2">Viewed</span> 3,683 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="61149197" data-ownerid="13282645" data-score="3"> <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="61149197"> <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="3">3</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 writing a chat application where new messages are added to the bottom of a <code><textarea></code>. I want the <code>textarea</code> to scroll to the bottom because the chatlog is large.</p> <p>How do I accomplish this?</p> <p>I tried the following, and <code>scrollTop</code> attribute is not scrolling my <code>textarea</code>. </p> <pre class="lang-html prettyprint-override"><code><textarea #chat class="form-control" rows=20 disabled [(ngModel)]="output" [scrollTop]="scroll" name="chatMessages"></textarea> </code></pre> <p>However, <code>this.scroll=9999</code> does not change the binding of <code>scrollTop</code> to the value <code>9999</code>. I console log <code>this.scroll</code>, and its value is <code>9999</code>, but my <code>textarea</code> doesn't go to the bottom!</p> <p>Please I need help, thanks!</p></div> <div class="mt24 mb12"> <div class="post-taglist grid gs4 gsy fd-column"> <div class="grid ps-relative"> <a href="../../questions/tagged/angular" class="post-tag js-gps-track" title="show questions tagged 'angular'" rel="tag">angular</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 grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="edited Apr 11 '20 at 00:45">edited Apr 11 '20 at 00:45</time> <a href="../../users/5583283/j3ff" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/5583283.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="j3ff" /> </a> <div class="s-user-card--info"> <a href="../../users/5583283/j3ff" class="s-user-card--link">j3ff</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">5,719</li> <li class="s-award-bling s-award-blinggold" title="8 gold badges">8</li> <li class="s-award-bling s-award-blingsilver" title="38 silver badges">38</li> <li class="s-award-bling s-award-blingbronze" title="51 bronze badges">51</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 Apr 10 '20 at 21:50">asked Apr 10 '20 at 21:50</time> <a href="../../users/13282645/devteam6" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/13282645.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="devteam6" /> </a> <div class="s-user-card--info"> <a href="../../users/13282645/devteam6" class="s-user-card--link">devteam6</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">43</li> <li class="s-award-bling s-award-blingsilver" title="1 silver badges">1</li> <li class="s-award-bling s-award-bling__bronze" title="6 bronze badges">6</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-61149197" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="61149197" 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-108180889" class="comment js-comment " data-comment-id="108180889" data-comment-owner-id="10138953" data-comment-score="1"> <div class="js-comment-actions comment-actions"> <div class="comment-score js-comment-edit-hide"> <span title="number of 'useful comment' votes received" class="warm">1</span> </div> </div> <div class="comment-text js-comment-text-and-form"> <a name="comment108180889_61149197"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Look at this Answer https://stackoverflow.com/questions/35232731/angular-2-scroll-to-bottom-chat-style I Hope it can help you.</span> – <a href="../../users/10138953/jose-polanco" title="574 reputation" class="comment-user ">José Polanco</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/61149197/how-do-i-dynamically-scroll-a-textarea-in-angular#comment108180889_61149197"><span title="2020-04-10T23:54:45.877 License: CC BY-SA 4.0" class="relativetime-clean">Apr 10 '20 at 23:54</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="61150434"></a> <div id="answer-61150434" class="answer accepted-answer" data-answerid="61150434" data-ownerid="11249903" data-score="4" 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="61150434"> <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="4">4</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>I have figured out a much simpler approach, that will automatically scroll to the bottom, even when the <code>ngModel</code> is being changed in real time (chat). One just has to map the <code>scrollTop property</code> of the textarea with its current <code>scrollHeight</code>:</p> <pre><code><textarea [(ngModel)]="..." #textarea [scrollTop]="textarea.scrollHeight"></textarea> </code></pre></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 Apr 11 '20 at 00:03">answered Apr 11 '20 at 00:03</time> <a href="../../users/11249903/aslary" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/11249903.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="aslary" /> </a> <div class="s-user-card--info"> <a href="../../users/11249903/aslary" class="s-user-card--link">aslary</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">383</li> <li class="s-award-bling s-award-blingsilver" title="1 silver badges">1</li> <li class="s-award-bling s-award-blingbronze" title="11 bronze badges">11</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>