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Pen Settings

CSS Base

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Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

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Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

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Code Indentation

     

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Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <div class="rich-editor">
  <div class="wrapper">
    <div class="editor-area" contenteditable="true" placeholder="Enter text here..."></div>
    <div class="editor-backer"></div>
  </div>
  <span class="counter">140</span>
</div>
            
          
!
            
              html,
body {
  display: flex;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  background: #E3F3FD;
  font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
}

.rich-editor {
  width: 508px;
  height: auto;
 /* max-height: 134px;
  overflow-y: scroll;*/
  margin: auto;
  padding: 8px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #A4D9F9;
  box-shadow: 0 0 0 1px #A4D9F9;
}
.wrapper {
  position: relative;
  width: 100%;
  min-height: 116px;
  z-index: 1;

}
.editor-area, .editor-backer {
  width: 100%;
  height: auto;
  min-height: 116px;

  font-size: 14px;
  line-height: 20px;
  word-wrap: break-word;
  background: transparent;
}
.editor-area {
  outline: none;
  border: none;

}
.editor-area.is-showPlaceholder[contenteditable=true]:before {
  content: attr(placeholder);
  color: #ccd6dd;
  position: absolute;
}
.editor-backer {
  position: absolute;
  left: 0;
  top: 0;
  color: transparent;
  z-index: -1;
}
.editor-backer em {
  background-color: #ffb8c2;
  font-style: normal;
  font-size: 14px;
  line-height: 20px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.counter {
  float: right;
  color: #657786;
  font-size: 14px;
  line-height: 20px;
  text-align: right;
  user-select: none;
}
.counter.max-reached {
  color: #e0245e;
}
            
          
!
            
              var editorArea = document.querySelector('.editor-area')
var editorBacker = document.querySelector('.editor-backer')
var counter = document.querySelector('.counter')
var limitCnt = 140
var isComposing = false

editorArea.addEventListener('compositionstart', () => {
  isComposing = true
})
editorArea.addEventListener('compositionend', () => {
  isComposing = false
  //
  let text = editorArea.innerText
  setCounter(limitCnt - text.length)
})

function setCounter (cnt) {
  counter.innerHTML = cnt
  if (cnt < 0) {
    counter.classList.add('max-reached')
  } else {
    counter.classList.remove('max-reached')
  }
}

var inputCompose = function () {
  if (editorArea.innerHTML === '<div><br></div>' ||
    editorArea.innerHTML === '<br>' ||
    editorArea.innerHTML === '') {
    editorArea.classList.add('is-showPlaceholder')
  } else {
    editorArea.classList.remove('is-showPlaceholder')
  }

  let text = editorArea.innerText
  let remainingCnt = limitCnt - text.trim().length
  if (remainingCnt < 0) {
    let allowedText = text.substring(0, limitCnt)
    let refusedText = text.substring(limitCnt)

    editorBacker.innerHTML = allowedText + '<em>' + refusedText + '</em>'
  } else {
    editorBacker.innerHTML = ''
  }

  if (!isComposing) {
    setCounter(remainingCnt)
  }
}

inputCompose();
editorArea.oninput = inputCompose
            
          
!
999px
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