Is there anyway to limit the character on textarea ?? didn't work whe we use simpleMDE.</p> <p>I also try to combine with other JS such as <a rel="nofollow noopener" target="_blank" href="http://stackoverflow.com/questions/5533053/textarea-character-limit">http://stackoverflow.com/questions/5533053/textarea-character-limit</a> </p> <p>but still didn't work. Any solution would be appreciated.</p> <p>Thanks brother</p> </div> <div> <div class="float-right"> <a class="text-muted" href="https://www.github.com/sparksuite/simplemde-markdown-editor/issues/584" rel="nofollow noreferrer" target="_blank" onclick="dataLayer.push({'event': 'GAEvent', 'eventCategory': 'click', 'eventAction': 'source_bottom', 'eventLabel': 'Source Bottom', 'eventValue': undefined});">Source</a> </div> </div> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/28625778?v=4&s=40" style="width:20px; height:20px;" class="mr-2 rounded float-left" alt=" picture"> <strong>kulonuwun</strong> </div> <div class="col text-right"> 👍<span class="ml-2 mr-3">1</span> </div> </div> </div> </div> </div> <div class="col-12"> <div id="ph-above-best-comment"> </div> </div> <div class="col-12 mb-4 best-comment"> <div> <h2 class="mb-3"><i class="fas fa-check mr-2"></i>Most helpful comment</h2> </div> <div class="card card-custom border-lg-success mb-4"> <div class="card-body pt-3 pb-3 markdown"> <p>I'd love this as a configuration option as well, especially since <code>maxlength="50"</code> doesnt work on <code><textarea></code> anymore with this simple-mde.</p> <p>My solution so far is the following, just disabling the submit-button when the limit is reached: </p> <pre><code class="prettyprint"><script> char_limit = 50; var simplemde = new SimpleMDE({ status: [ { className: "chars", defaultValue: function(el) { el.innerHTML = "0 / "+char_limit; }, onUpdate: function(el) { el.innerHTML = simplemde.value().length + " / "+char_limit; limit_characters() } }] }); function limit_characters() { character_count = simplemde.value().length if (character_count > char_limit) { $('#submitBtn').attr("disabled", true); } else { $('#submitBtn').attr("disabled", false); } } </script> </code></pre> <p>Don't forget to add id="submitBtn" to the button element and disable it by default.</p> <p>Not the best solution I know, but the only one I came up with.</p> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/4020037?v=4&s=40" style="width:20px; height:20px;" class="mr-2 rounded float-left" alt=" picture"> <strong>lupas</strong> <span class="text-muted ml-1">on 25 Nov 2017</span> </div> <div class="col text-right"> 👍<span class="ml-2 mr-3">3</span> </div> </div> </div> </div> </div> <div class="col-12"> <div class="mb-4"> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-3835332123789605" data-ad-slot="9295564578" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div> <div class="col-12 d-flex align-items-center mb-4"> <h2>All 5 comments</h2> </div> <div class="col-12"> <div class="card card-custom mb-4"> <div class="card-body pt-3 pb-3 markdown"> <p>I'd love this as a configuration option as well, especially since <code>maxlength="50"</code> doesnt work on <code><textarea></code> anymore with this simple-mde.</p> <p>My solution so far is the following, just disabling the submit-button when the limit is reached: </p> <pre><code class="prettyprint"><script> char_limit = 50; var simplemde = new SimpleMDE({ status: [ { className: "chars", defaultValue: function(el) { el.innerHTML = "0 / "+char_limit; }, onUpdate: function(el) { el.innerHTML = simplemde.value().length + " / "+char_limit; limit_characters() } }] }); function limit_characters() { character_count = simplemde.value().length if (character_count > char_limit) { $('#submitBtn').attr("disabled", true); } else { $('#submitBtn').attr("disabled", false); } } </script> </code></pre> <p>Don't forget to add id="submitBtn" to the button element and disable it by default.</p> <p>Not the best solution I know, but the only one I came up with.</p> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/4020037?v=4&s=40" style="width:20px; height:20px;" class="mr-2 rounded float-left" alt="lupas picture"> <strong>lupas</strong> <span class="text-muted ml-1">on 25 Nov 2017</span> </div> <div class="col text-right"> 👍<span class="ml-2 mr-3">3</span> </div> </div> </div> </div> <div class="card card-custom mb-4"> <div class="card-body pt-3 pb-3 markdown"> <p>Updating <strong>@lupas</strong> code for lines as well, if anyone wants it</p> <pre><code class="prettyprint">lines_limit = 15; </code></pre> <p>should give you lines count</p> <pre><code class="prettyprint">{ className: "lines", defaultValue: function(el) { el.innerHTML = "Lines 0 / "+lines_limit; }, onUpdate: function(el) { el.innerHTML = " Lines "+ simplemde.codemirror.lineCount() + " / "+lines_limit; limit_characters() //update this function according to lines_count = simplemde.codemirror.lineCount(); } }] </code></pre> <p>Sorry if it is messy, I copied from my code and edited directly here</p> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/2302747?v=4&s=40" style="width:20px; height:20px;" class="mr-2 rounded float-left" alt="amirhilal picture"> <strong>amirhilal</strong> <span class="text-muted ml-1">on 7 Jan 2018</span> </div> <div class="col text-right"> 👍<span class="ml-2 mr-3">1</span> </div> </div> </div> </div> <div class="card card-custom mb-4"> <div class="card-body pt-3 pb-3 markdown"> <p>Just ran into this myself and discovered that you can listen to the <code>codemirror</code>'s <code>beforeChange</code> event, which receives a <code>change</code> argument (https://codemirror.net/doc/manual.html#events). </p> <p>If you're trying to implement a max length, you can simply check the SimpleMDE instance <code>.value().length</code> and call <code>change.cancel()</code> if it exceeds some limit.</p> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/473950?v=4&s=40" style="width:20px; height:20px;" class="mr-2 rounded float-left" alt="martinrue picture"> <strong>martinrue</strong> <span class="text-muted ml-1">on 4 Aug 2018</span> </div> <div class="col text-right"> 👍<span class="ml-2 mr-3">1</span> </div> </div> </div> </div> <div class="card card-custom mb-4"> <div class="card-body pt-3 pb-3 markdown"> <p>My solution for the <strong>@martinrue</strong> comment. It is working for me.</p> <pre><code class="prettyprint">editor.codemirror.on('beforeChange', (instance, changes) => { if(editor.value().length > 5000 && changes.origin !== "+delete"){ changes.cancel(); setErrorMessage($el, 'Too big'); // A visual effect for the user } if(editor.value().length <= 5000 && changes.origin == "+delete"){ resetErrorMessage($el); } }); </code></pre> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/14844155?v=4&s=40" style="width:20px; height:20px;" class="mr-2 rounded float-left" alt="guifeliper picture"> <strong>guifeliper</strong> <span class="text-muted ml-1">on 21 May 2019</span> </div> <div class="col text-right"> </div> </div> </div> </div> <div class="card card-custom mb-4"> <div class="card-body pt-3 pb-3 markdown"> <p>Need to cover various corner-cases like pasting, highlight+paste, partialHighlight+paste, etc. </p> </div> <div class="card-footer"> <div class="row"> <div class="col"> <img src="https://avatars.githubusercontent.com/u/64950861?v=4&s=40" style="width:20px; 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