Adding tag inside a <select> tag after clicking an option on React.js</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="2019-03-08T16:19:41.160" class="fromnow">Mar 08 '19 at 16:19</time> </div> <div class="grid--cell ws-nowrap mr16 mb8"> <span class="fc-light mr2">Active</span> <time class="fromnow" title="2019-03-08T16:29:21.177" datetime="2019-03-08T16:29:21.177">Mar 08 '19 at 16:29</a> </div> <div class="grid--cell ws-nowrap mb8" title="Viewed 869 times"> <span class="fc-light mr2">Viewed</span> 869 times </div> </div> <div id="mainbar" role="main" aria-label="questions and answers"> <div id="question" class="question" data-questionid="55067102" data-ownerid="11171749" 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="55067102"> <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>So basically, I got the following JSX file and I want to have an event handler that listens to an event that is generated after clicking <strong>"Other"</strong> in the manufacturer section. Please find the mentioned option as the last <code><option></code> tag inside the <code><select></code> tag with the name "colour", and inside the <code><Fragment></code> tag. Also, please ignore the OnClick function that is already there; it has no use in this problem.</p> <p>The event that I want to be generated is quite particular. It should add a text area (or input, not entirely sure) where the "Other" option inside the drop-down menu is located so that the user is able to type the other option they didn't find in the current selection of colours.</p> <p>How would I be able to achieve this?</p> <pre><code>import React, { Fragment} from 'react'; import { StyledSection, StyledSectionColLeft, StyledSectionCol } from '../../../common/theme/cssStyledColumns'; import { Textarea, Select, Input, MandatoryInfo } from '../../../common/form'; const ApplianceDetails = () => ( <Fragment> <h2>Appliance details</h2> <MandatoryInfo /> <StyledSection> <StyledSectionColLeft> <Select name="colour" label="Colour "> <option value="">-Select-</option> <option value="Vokera">Blue</option> <option value="Warmflow">Red</option> <option value="Worcester">Yellow</option> <option onClick={console.log('Click happened')} value="Other">Other</option> </Select> <Input name="model" label="Model " /> </StyledSectionColLeft> <StyledSectionCol> <Input name="location" label="Location " /> </StyledSectionCol> </StyledSection> </Fragment> ); export default ApplianceDetails; </code></pre></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/reactjs" class="post-tag js-gps-track" title="show questions tagged 'reactjs'" rel="tag">reactjs</a> <a href="../../questions/tagged/forms" class="post-tag js-gps-track" title="show questions tagged 'forms'" rel="tag">forms</a> <a href="../../questions/tagged/drop-down-menu" class="post-tag js-gps-track" title="show questions tagged 'drop-down-menu'" rel="tag">drop-down-menu</a> <a href="../../questions/tagged/jsx" class="post-tag js-gps-track" title="show questions tagged 'jsx'" rel="tag">jsx</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 08 '19 at 16:19">asked Mar 08 '19 at 16:19</time> <a href="../../users/11171749/adrian-martinez-moreno" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/11171749.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="Adrian Martinez Moreno" /> </a> <div class="s-user-card--info"> <a href="../../users/11171749/adrian-martinez-moreno" class="s-user-card--link">Adrian Martinez Moreno</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">13</li> <li class="s-award-bling s-award-blingbronze" title="3 bronze badges">3</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-55067102" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="55067102" 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-96882091" class="comment js-comment " data-comment-id="96882091" data-comment-owner-id="9013688" 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="comment96882091_55067102"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Possible duplicate of [Editable 'Select' element](https://stackoverflow.com/questions/2141357/editable-select-element)</span> – <a href="../../users/9013688/sylvainf" title="229 reputation" class="comment-user ">SylvainF</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/55067102/adding-textarea-tag-inside-a-select-tag-after-clicking-an-option-on-react-js#comment96882091_55067102"><span title="2019-03-08T16:31:22.390 License: CC BY-SA 4.0" class="relativetime-clean">Mar 08 '19 at 16:31</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="55067234"></a> <div id="answer-55067234" class="answer accepted-answer" data-answerid="55067234" data-ownerid="7867822" 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="55067234"> <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>You can set a class on an <code>input</code>/<code>textarea</code> based on the value of <code>select</code>. Like this:</p> <pre><code><Select value={this.state.selectedOption} onChange={this.handleSelect} name="colour" label="Colour "> <option value="">-Select-</option> <option value="Vokera">Blue</option> <option value="Warmflow">Red</option> <option value="Worcester">Yellow</option> <option value="Other">Other</option> </Select> // Or textarea <input type="text" value="" name=" className={this.state.selectedOption !== 'Other'?"hidden":""}/> </code></pre> <p>This adds a class of <code>hidden</code> to your input. Now you can use <code>.hidden{ diplay:none; }</code></p> <p>And this function will handle change of your values:</p> <pre><code>handleSelect(evt){ this.setState({ selectedOption: evt.target.value }) } </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 Mar 08 '19 at 16:29">answered Mar 08 '19 at 16:29</time> <a href="../../users/7867822/anurag-srivastava" class="s-avatar s-avatar32 s-user-card--avatar"> <img class="s-avatar--image" src="../../users/profiles/7867822.webp" data-jdenticon-width="32" data-jdenticon-height="32" data-jdenticon-value="Anurag Srivastava" /> </a> <div class="s-user-card--info"> <a href="../../users/7867822/anurag-srivastava" class="s-user-card--link">Anurag Srivastava</a> <ul class="s-user-card--awards"> <li class="s-user-card--rep" title="reputation score">14,077</li> <li class="s-award-bling s-award-blinggold" title="4 gold badges">4</li> <li class="s-award-bling s-award-blingsilver" title="33 silver badges">33</li> <li class="s-award-bling s-award-bling__bronze" title="43 bronze badges">43</li> </ul> </div> </div> </div> </div> </div> </div> <div class="post-layout--right js-post-comments-component"> <div id="comments-55067234" class="comments js-comments-container bt bc-black-075 mt12 " data-post-id="55067234" 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-96883894" class="comment js-comment " data-comment-id="96883894" data-comment-owner-id="11171749" 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="comment96883894_55067234"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">My console in the browser (Google Chrome) is displaying the following error:`Parsing error: Unexpected token, expected ";"` So I changed your syntax and wrote: `handleSelect = (evt) => { this.setState({ selectedOption: evt.target.value }) }` but it didn't work and I'm getting the following error: `'handleSelect' is not defined no-undef` Any thoughts?</span> – <a href="../../users/11171749/adrian-martinez-moreno" title="13 reputation" class="comment-user owner">Adrian Martinez Moreno</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/55067102/adding-textarea-tag-inside-a-select-tag-after-clicking-an-option-on-react-js#comment96883894_55067234"><span title="2019-03-08T17:32:48.440 License: CC BY-SA 4.0" class="relativetime-clean">Mar 08 '19 at 17:32</span></a></span> </div> </div> </li> <li id="comment-96883986" class="comment js-comment " data-comment-id="96883986" data-comment-owner-id="7867822" 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="comment96883986_55067234"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Have you added `this.handleSelect = this.handleSelect.bind(this);` in the constructor?</span> – <a href="../../users/7867822/anurag-srivastava" title="14,077 reputation" class="comment-user ">Anurag Srivastava</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/55067102/adding-textarea-tag-inside-a-select-tag-after-clicking-an-option-on-react-js#comment96883986_55067234"><span title="2019-03-08T17:35:40.463 License: CC BY-SA 4.0" class="relativetime-clean">Mar 08 '19 at 17:35</span></a></span> </div> </div> </li> <li id="comment-96940296" class="comment js-comment " data-comment-id="96940296" data-comment-owner-id="11171749" 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="comment96940296_55067234"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Yes, I did. I added the `this.handleSelect = this.handleSelect.bind(this);` part inside my `onChange` event inside my select tag and the first error I get is the classic `Parsing error: Unexpected token, expected "}"` point out the semicolon. I remove the semicolon and I get the following: `Line 69: Parsing error: Unexpected token, expected ";"` `> 69 | handleSelect(evt){` `| ^` I think it's caused by a syntax error. Any thoughts?</span> – <a href="../../users/11171749/adrian-martinez-moreno" title="13 reputation" class="comment-user owner">Adrian Martinez Moreno</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/55067102/adding-textarea-tag-inside-a-select-tag-after-clicking-an-option-on-react-js#comment96940296_55067234"><span title="2019-03-11T09:22:17.983 License: CC BY-SA 4.0" class="relativetime-clean">Mar 11 '19 at 09:22</span></a></span> </div> </div> </li> <li id="comment-96940681" class="comment js-comment " data-comment-id="96940681" data-comment-owner-id="11171749" 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="comment96940681_55067234"></a> <div class="comment-body js-comment-edit-hide"> <span class="comment-copy">Edit: The first time, the console is pointing out the semicolon and the second time it's pointing out the parenthesis just after the `handleSelect(evt)` name of the function</span> – <a href="../../users/11171749/adrian-martinez-moreno" title="13 reputation" class="comment-user owner">Adrian Martinez Moreno</a> <span class="comment-date" dir="ltr"><a class="comment-link" href="../../questions/55067102/adding-textarea-tag-inside-a-select-tag-after-clicking-an-option-on-react-js#comment96940681_55067234"><span title="2019-03-11T09:34:11.577 License: CC BY-SA 4.0" class="relativetime-clean">Mar 11 '19 at 09:34</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>