Appending to reddit 's is not reflected. Only appears in DOM</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="2018-01-08T22:55:09.857" class="fromnow">Jan 08 '18 at 22:55</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2018-01-09T01:14:42.490" datetime="2018-01-09T01:14:42.490">Jan 09 '18 at 01:14</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 46 times"> <span class="fc-light mr2">Viewed</span> 46 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="48159219" data-ownerid="4596870" 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="48159219"> <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'm writing a Chrome extension for Hearthstone sub-reddits. </p> <p><strong>What's working:</strong> When the user types '[[' into a Reddit comment <code><textarea></code> it creates a <code><select></code>. The user chooses a card from the list. </p> <p><strong>Goal:</strong> The extension should add the card's name to the <code><textarea></code> with ']]' so the result is something like [[Dreadsteed]]. This format works with /u/hearthscan-bot.</p> <p><strong>Problem:</strong> The extension DOES add the card's name to the <code><textarea></code>, however, it is only reflected in the DOM. <a class="external-link" href="https://i.stack.imgur.com/MBElg.jpg" rel="nofollow noreferrer">The text does not appear in the browser</a>.</p> <p><strong>Discussion:</strong> I assume there must be some plug-in that Reddit uses that's causing the issue. What I find especially strange is that if you type anything into a comment <code><textarea></code> you will not see it anywhere in the DOM. How do I get the appended text reflected in the browser?</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/textarea" class="post-tag js-gps-track" title="show questions tagged 'textarea'" rel="tag">textarea</a> <a href="../../questions/tagged/frontend" class="post-tag js-gps-track" title="show questions tagged 'frontend'" rel="tag">frontend</a> <a href="../../questions/tagged/reddit" class="post-tag js-gps-track" title="show questions tagged 'reddit'" rel="tag">reddit</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 Jan 08 '18 at 22:55">asked Jan 08 '18 at 22:55</time> <a href="../../users/4596870/brandonflynn-nb" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/4596870.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="BrandonFlynn-NB" /> </a> <div class="s-user-card--info"> <a href="../../users/4596870/brandonflynn-nb" class="s-user-card--link">BrandonFlynn-NB</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">384</li> <li class="s-award-bling s-award-blingsilver" title="2 silver badges">2</li> <li class="s-award-bling s-award-bling__bronze" title="14 bronze badges">14</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-48159219" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="48159219" 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-83298002" class="comment js-comment " data-comment-id="83298002" data-comment-owner-id="14104" 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="comment83298002_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">My guess, you need to trigger change event after you update the value. https://stackoverflow.com/questions/2856513/how-can-i-trigger-an-onchange-event-manually</span> – <a href="../../users/14104/epascarello" title="204,599 reputation" class="comment-user ">epascarello</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298002_48159219"><span title="2018-01-08T22:59:28.250 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 22:59</span></a></span> </div> </div> </li> <li id="comment-83298068" class="comment js-comment " data-comment-id="83298068" data-comment-owner-id="2438423" 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="comment83298068_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">You may want to use a different Browser. There might be something wrong with that DOM viewer.</span> – <a href="../../users/2438423/stackslave" title="10,613 reputation" class="comment-user ">StackSlave</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298068_48159219"><span title="2018-01-08T23:02:19.553 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:02</span></a></span> </div> </div> </li> <li id="comment-83298222" class="comment js-comment " data-comment-id="83298222" data-comment-owner-id="4596870" 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="comment83298222_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">@PHPglue Interesting, Firefox and Chrome share the same problem but IE and Edge both work intuitively.</span> – <a href="../../users/4596870/brandonflynn-nb" title="384 reputation" class="comment-user owner">BrandonFlynn-NB</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298222_48159219"><span title="2018-01-08T23:09:31.623 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:09</span></a></span> </div> </div> </li> <li id="comment-83298230" class="comment js-comment " data-comment-id="83298230" data-comment-owner-id="4596870" 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="comment83298230_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">@epascarello Thanks, but no luck.</span> – <a href="../../users/4596870/brandonflynn-nb" title="384 reputation" class="comment-user owner">BrandonFlynn-NB</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298230_48159219"><span title="2018-01-08T23:10:00.430 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:10</span></a></span> </div> </div> </li> <li id="comment-83298249" class="comment js-comment " data-comment-id="83298249" data-comment-owner-id="14104" 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="comment83298249_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">So maybe you need to share some code.</span> – <a href="../../users/14104/epascarello" title="204,599 reputation" class="comment-user ">epascarello</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298249_48159219"><span title="2018-01-08T23:11:30.787 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:11</span></a></span> </div> </div> </li> <li id="comment-83298373" class="comment js-comment " data-comment-id="83298373" data-comment-owner-id="2438423" 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="comment83298373_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Did you clear your cache in Firefox and Chrome? External .js scripts are cached.</span> – <a href="../../users/2438423/stackslave" title="10,613 reputation" class="comment-user ">StackSlave</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298373_48159219"><span title="2018-01-08T23:20:16.237 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:20</span></a></span> </div> </div> </li> <li id="comment-83298664" class="comment js-comment " data-comment-id="83298664" data-comment-owner-id="4596870" 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="comment83298664_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">@PHPglue I'm dealing with caching, yes. The code, for the most part, works as expected. It's the discrepancy between the DOM and the browser window that is causing problems.</span> – <a href="../../users/4596870/brandonflynn-nb" title="384 reputation" class="comment-user owner">BrandonFlynn-NB</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298664_48159219"><span title="2018-01-08T23:37:55.560 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:37</span></a></span> </div> </div> </li> <li id="comment-83298676" class="comment js-comment " data-comment-id="83298676" data-comment-owner-id="4596870" 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="comment83298676_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">@epascarello This is activated on the `select` change: $(HearthSearch_activeTextArea).append($(this).val());</span> – <a href="../../users/4596870/brandonflynn-nb" title="384 reputation" class="comment-user owner">BrandonFlynn-NB</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298676_48159219"><span title="2018-01-08T23:39:18.277 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:39</span></a></span> </div> </div> </li> <li id="comment-83298743" class="comment js-comment " data-comment-id="83298743" data-comment-owner-id="4596870" 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="comment83298743_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Upon further inspection it seems Reddit isn't the only website with this issue.</span> – <a href="../../users/4596870/brandonflynn-nb" title="384 reputation" class="comment-user owner">BrandonFlynn-NB</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83298743_48159219"><span title="2018-01-08T23:42:56.803 License: CC BY-SA 3.0" class="relativetime-clean">Jan 08 '18 at 23:42</span></a></span> </div> </div> </li> <li id="comment-83299856" class="comment js-comment " data-comment-id="83299856" data-comment-owner-id="14104" 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="comment83299856_48159219"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Why are you appending to a text area? You should be setting the value, not appending.</span> – <a href="../../users/14104/epascarello" title="204,599 reputation" class="comment-user ">epascarello</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/48159219/appending-to-reddit-textarea-s-is-not-reflected-only-appears-in-dom#comment83299856_48159219"><span title="2018-01-09T01:10:58.970 License: CC BY-SA 3.0" class="relativetime-clean">Jan 09 '18 at 01:10</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="48160217"></a> <div id="answer-48160217" class="answer accepted-answer" data-answerid="48160217" data-ownerid="14104" 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="48160217"> <button class="js-vote-up-btn grid--cell s-btn s-btn__unset 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>The problem is with your code. You do not use append() to add text to an input/textarea. You set the value.</p> <pre><code>// replaces it $(HearthSearch_activeTextArea).value($(this).val()); // add to the end var ta = $(HearthSearch_activeTextArea) ta.value(ta.value() + $(this).val()); //or another way to do it without the extra varaible $(HearthSearch_activeTextArea).val(function(i, text) { return text + quote; }); </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 Jan 09 '18 at 01:14">answered Jan 09 '18 at 01:14</time> <a href="../../users/14104/epascarello" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/14104.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="epascarello" /> </a> <div class="s-user-card--info"> <a href="../../users/14104/epascarello" class="s-user-card--link">epascarello</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">204,599</li> <li class="s-award-bling s-award-blinggold" title="20 gold badges">20</li> <li class="s-award-bling s-award-blingsilver" title="195 silver badges">195</li> <li class="s-award-bling s-award-blingbronze" title="236 bronze badges">236</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>