Radio button answer appears in but then disappears quickly</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="2021-08-25T09:41:55.043" class="fromnow">Aug 25 '21 at 09:41</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2021-08-26T08:36:57.097" datetime="2021-08-26T08:36:57.097">Aug 26 '21 at 08:36</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 130 times"> <span class="fc-light mr2">Viewed</span> 130 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="68920486" data-ownerid="16694632" 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="68920486"> <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>Project:</p> <ul> <li>create 4 radio buttons</li> <li>user clicks on an option and submits</li> <li>answer should appear in a textarea box</li> </ul> <p>Why is it when I click on a specific radio button option, and then the submit button, the value of the radio button appears in the textarea space for a split second and then disappears?</p> <p>Thanks heaps!</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>document.getElementById("clickMePlease").onclick=function() { var theOptionPicked; var i; var nameOption; for (i = 0; i <= 3; i++) { theOptionPicked = document.myForm.nameQuestion[i]; if (theOptionPicked.checked == true) { nameOption = theOptionPicked.value; } } document.myForm.txtOutput.value = "You have picked " + theOptionPicked.value; }</code></pre> <pre class="snippet-code-html lang-html prettyprint-override"><code><!DOCTYPE html> <html> <form name="myForm"> <table border=1> <tr> <td> <input type="radio" name="nameQuestion" value="fred">fred </td> </tr> <td> <input type="radio" name="nameQuestion" value="rahul">Rahul </td> <tr> <td> <input type="radio" name="nameQuestion" value="peter">peter </td> </tr> <tr> <td> <input type="radio" name="nameQuestion" value="none">none of the above </td> </tr> <tr> <td> <input style="width: 100%" type="submit" value="clickme" id="clickMePlease"> </td> </tr> </table> <textarea name="txtOutput" rows=5 cols=20> </textarea> </form> <script> </script> </html></code></pre> </div> </div> </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 Aug 25 '21 at 09:44">edited Aug 25 '21 at 09:44</time> <a href="../../users/11044542/maxigui" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/11044542.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="MaxiGui" /> </a> <div class="s-user-card--info"> <a href="../../users/11044542/maxigui" class="s-user-card--link">MaxiGui</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">6,190</li> <li class="s-award-bling s-award-blinggold" title="4 gold badges">4</li> <li class="s-award-bling s-award-blingsilver" title="16 silver badges">16</li> <li class="s-award-bling s-award-blingbronze" title="33 bronze badges">33</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 Aug 25 '21 at 09:41">asked Aug 25 '21 at 09:41</time> <a href="../../users/16694632/sb2021" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/16694632.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="sb2021" /> </a> <div class="s-user-card--info"> <a href="../../users/16694632/sb2021" class="s-user-card--link">sb2021</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">31</li> <li class="s-award-bling s-award-blingbronze" title="4 bronze badges">4</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-68920486" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="68920486" 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-121802784" class="comment js-comment " data-comment-id="121802784" data-comment-owner-id="14201528" data-comment-score="2"> <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">2</span> </div> </div> <div class="comment-text js-comment-text-and-form"> <a name="comment121802784_68920486"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">when you submit the form the page is reloaded therefore you lose the content of the text area; you might want to have a look a [`Event.preventDefault()`](https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault) in order to fix your issue</span> – <a href="../../users/14201528/secan" title="2,622 reputation" class="comment-user ">secan</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/68920486/radio-button-answer-appears-in-textarea-but-then-disappears-quickly#comment121802784_68920486"><span title="2021-08-25T09:45:06.820 License: CC BY-SA 4.0" class="relativetime-clean">Aug 25 '21 at 09:45</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="68920549"></a> <div id="answer-68920549" class="answer accepted-answer" data-answerid="68920549" data-ownerid="12425881" 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="68920549"> <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>Use <code>onsubmit="event.preventDefault();"</code> on your <code>form</code> element:</p> <p></p><div class="snippet" data-babel="false" data-console="true" data-hide="true" data-lang="js"> <div class="snippet-code snippet-currently-hidden"> <pre class="snippet-code-js lang-js prettyprint-override"><code>document.getElementById("clickMePlease").onclick=function() { var theOptionPicked; var i; var nameOption; for (i = 0; i <= 3; i++) { theOptionPicked = document.myForm.nameQuestion[i]; if (theOptionPicked.checked == true) { nameOption = theOptionPicked.value; } } document.myForm.txtOutput.value = "You have picked " + theOptionPicked.value; }</code></pre> <pre class="snippet-code-html lang-html prettyprint-override"><code><!DOCTYPE html> <html> <form name="myForm" onsubmit="event.preventDefault();"> <table border=1> <tr> <td> <input type="radio" name="nameQuestion" value="fred">fred </td> </tr> <td> <input type="radio" name="nameQuestion" value="rahul">Rahul </td> <tr> <td> <input type="radio" name="nameQuestion" value="peter">peter </td> </tr> <tr> <td> <input type="radio" name="nameQuestion" value="none">none of the above </td> </tr> <tr> <td> <input style="width: 100%" type="submit" value="clickme" id="clickMePlease"> </td> </tr> </table> <textarea name="txtOutput" rows=5 cols=20> </textarea> </form> <script> </script> </html></code></pre> </div> </div> <p>Edit: You was asking for prevent reloading website after submitting form, so I was not checking other functionalitty. Now I repaired and simplified your snippet, so it selects correctly:</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>document.getElementById("clickMePlease").onclick = function() { var theOptionPicked = document.querySelector('input[name="nameQuestion"]:checked').value; document.myForm.txtOutput.value = "You have picked " + theOptionPicked; }</code></pre> <pre class="snippet-code-html lang-html prettyprint-override"><code><!DOCTYPE html> <html> <form name="myForm" onsubmit="event.preventDefault();"> <table border=1> <tr> <td> <input type="radio" name="nameQuestion" value="fred">fred </td> </tr> <td> <input type="radio" name="nameQuestion" value="rahul">Rahul </td> <tr> <td> <input type="radio" name="nameQuestion" value="peter">peter </td> </tr> <tr> <td> <input type="radio" name="nameQuestion" value="none">none of the above </td> </tr> <tr> <td> <input style="width: 100%" type="submit" value="clickme" id="clickMePlease"> </td> </tr> </table> <textarea name="txtOutput" rows=5 cols=20> </textarea> </form> <script> </script> </html></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="user-info "> <div class="user-action-time">edited <span title="2021-08-26T08:36:57.097" class="relativetime">Aug 26 '21 at 08:36</span></div> <div class="user-gravatar32"></div> <div class="user-details" itemprop="author" itemscope="" itemtype="http://schema.org/Person"> <span class="d-none" itemprop="name">MetropolisCZ</span> <div class="-flair"></div> </div> </div> </div> <div class="post-signature grid--cell"> <div class="s-user-card s-user-card"> <time class="s-user-card--time" datetime="answered Aug 25 '21 at 09:46">answered Aug 25 '21 at 09:46</time> <a href="../../users/12425881/metropoliscz" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/12425881.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="MetropolisCZ" /> </a> <div class="s-user-card--info"> <a href="../../users/12425881/metropoliscz" class="s-user-card--link">MetropolisCZ</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">567</li> <li class="s-award-bling s-award-blinggold" title="1 gold badge">1</li> <li class="s-award-bling s-award-blingsilver" title="8 silver badge">8</li> <li class="s-award-bling s-award-bling__bronze" title="20 bronze badge">20</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-68920549" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="68920549" 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-121811046" class="comment js-comment " data-comment-id="121811046" data-comment-owner-id="16694632" 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="comment121811046_68920549"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">I just have another question. For some reason, the bg color keeps changing to purple. I used the exact code above but still not sure why. Any thoughts?</span> – <a href="../../users/16694632/sb2021" title="31 reputation" class="comment-user owner">sb2021</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/68920486/radio-button-answer-appears-in-textarea-but-then-disappears-quickly#comment121811046_68920549"><span title="2021-08-25T14:47:29.997 License: CC BY-SA 4.0" class="relativetime-clean">Aug 25 '21 at 14:47</span></a></span> </div> </div> </li> <li id="comment-121813390" class="comment js-comment " data-comment-id="121813390" data-comment-owner-id="12425881" 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="comment121813390_68920549"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Purple background? Where? There is not any code which can do that. Could you please post a screenshot?</span> – <a href="../../users/12425881/metropoliscz" title="567 reputation" class="comment-user ">MetropolisCZ</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/68920486/radio-button-answer-appears-in-textarea-but-then-disappears-quickly#comment121813390_68920549"><span title="2021-08-25T16:14:08.930 License: CC BY-SA 4.0" class="relativetime-clean">Aug 25 '21 at 16:14</span></a></span> </div> </div> </li> <li id="comment-121821977" class="comment js-comment " data-comment-id="121821977" data-comment-owner-id="16694632" 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="comment121821977_68920549"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">See below: https://imgur.com/a/RxcuHl0</span> – <a href="../../users/16694632/sb2021" title="31 reputation" class="comment-user owner">sb2021</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/68920486/radio-button-answer-appears-in-textarea-but-then-disappears-quickly#comment121821977_68920549"><span title="2021-08-26T00:16:55.103 License: CC BY-SA 4.0" class="relativetime-clean">Aug 26 '21 at 00:16</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>