Markup Previewer

In this example below you will see how to do a Markup Previewer with some HTML / CSS and Javascript

Thumbnail
This awesome code was written by Trommelochse, you can see more from this user in the personal repository.
You can find the original code on Codepen.io
Copyright Trommelochse ©

Technologies

  • HTML
  • CSS
  • JavaScript
<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  <title>Markup Previewer</title>
  
  
  
      <link rel="stylesheet" href="css/style.css">

  
</head>

<body>

  <div id="App"></div>
  <script src='https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react-dom.min.js'></script>

  

    <script  src="js/index.js"></script>




</body>

</html>

/*Downloaded from https://www.codeseek.co/Trommelochse/markup-previewer-MvZdNQ */
.textScrn {
  min-height: 5.0vw;
  width: 40%;
  float: left;
  background: #2a2a2a;
  margin: 0 5%;
  padding: 1.5vw;
  box-sizing: border-box;
}

.labels {
  display: block;
  text-align: center;
  font-size: 1.5vw;
  font-weight: 400;
  color: #dbdbdb;
  letter-spacing: 0.25vw;
  font-family: Helvetica;
  padding: 0.50vw;
}

.prevScrn {
  min-height: 5.0vw;
  width: 40%;
  float: left;
  background: #34495e;
  margin: 0 5%;
  padding: 1.5vw 0;
  box-sizing: border-box;
}

.markupTextArea {
  min-height: 20.0vw;
  width: 90%;
  display: block;
  margin: 0 auto;
  background: #2a2a2a;
  color: #2ecc71;
}

/*Downloaded from https://www.codeseek.co/Trommelochse/markup-previewer-MvZdNQ */
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var App = function (_React$Component) {
  _inherits(App, _React$Component);

  function App(props) {
    _classCallCheck(this, App);

    var _this = _possibleConstructorReturn(this, (App.__proto__ || Object.getPrototypeOf(App)).call(this, props));

    _this.state = {};
    return _this;
  }

  _createClass(App, [{
    key: "render",
    value: function render() {
      var _this2 = this;

      return React.createElement(
        "div",
        { className: "App" },
        React.createElement(
          "div",
          { className: "textScrn" },
          React.createElement(
            "label",
            { className: "labels" },
            "Text"
          ),
          React.createElement("textarea", { className: "markupTextArea", onChange: function onChange(ev) {
              _this2.setState({ inputText: ev.target.value });
            } })
        ),
        React.createElement(
          "div",
          { className: "prevScrn" },
          React.createElement(
            "label",
            { className: "labels" },
            "Preview"
          ),
          React.createElement(
            "div",
            null,
            React.createElement(
              "p",
              null,
              this.state.inputText
            )
          )
        )
      );
    }
  }]);

  return App;
}(React.Component);

ReactDOM.render(React.createElement(App, null), document.getElementById('App'));

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