A Pen by Jeff Christian

Thumbnail
This awesome code was written by 15chrjef, you can see more from this user in the personal repository.
You can find the original code on Codepen.io
Copyright 15chrjef ©

Technologies

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

<head>
  <meta charset="UTF-8">
  <title>A Pen by  Jeff Christian</title>
  
  
  
  
  
</head>

<body>

  <div id='container'></div>
  <script src='https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react-dom.min.js'></script>

  

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




</body>

</html>

/*Downloaded from https://www.codeseek.co/15chrjef/a-pen-by-jeff-christian-pRNXpo */
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() {
    _classCallCheck(this, App);

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

    _this.state = {
      buttons: [0]
    };
    return _this;
  }

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

      return this.state.buttons.map(function (button, i) {
        return React.createElement(Button, { handleClick: _this2.incrementButtons.bind(_this2), key: i });
      });
    }
  }, {
    key: 'incrementButtons',
    value: function incrementButtons(i) {
      var arr = this.state.buttons;
      arr.push(0);
      arr[i] += 1;
      this.setState({
        buttons: arr
      }, this.renderButtons);
    }
  }, {
    key: 'render',
    value: function render() {
      return React.createElement(
        'div',
        null,
        this.renderButtons()
      );
    }
  }]);

  return App;
}(React.Component);

var Button = function (_React$Component2) {
  _inherits(Button, _React$Component2);

  function Button() {
    _classCallCheck(this, Button);

    var _this3 = _possibleConstructorReturn(this, (Button.__proto__ || Object.getPrototypeOf(Button)).call(this));

    _this3.state = { clicks: 0 };
    return _this3;
  }

  _createClass(Button, [{
    key: 'render',
    value: function render() {
      var _this4 = this;

      return React.createElement(
        'div',
        {
          onClick: function onClick(e) {
            _this4.props.handleClick(e.target);
            _this4.setState({ clicks: _this4.state.clicks + 1 });
          },
          style: { cursor: 'pointer', border: '1px solid black' }
        },
        this.state.clicks
      );
    }
  }]);

  return Button;
}(React.Component);

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

Comments