cssAudio - ActiveCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - Activehtmlicon-personicon-teamoctocatspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

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.

Quick-add: + add another resource

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.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

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

            
              <script src="http://cdnjs.cloudflare.com/ajax/libs/moment.js/2.6.0/moment.min.js"></script>
<script type="text/jsx">
/** @jsx React.DOM */
'use strict';




// A simple class to capture a one-way value transform function.
var ValueTransformer = function (transform) {
  this.func = (typeof transform === 'function') 
  ? transform 
  : function (value) { return value.toString ? value.toString() : value; }
};

// Transforms the input value according to the pre-defined transform function
ValueTransformer.prototype.getTransformedValue = function (value) {
  return this.func.call(null, value);
};




// Define some value transforms
// ----------------------------
  
var timeTransform = new ValueTransformer(function (date) {
  return moment(date).format('h:mm:ss a');
});

var militaryTimeTransform = new ValueTransformer(function (date) {
  return moment(date).format('HH:mm:ss');
});

var microTimeTransform = new ValueTransformer(function (date) {
  return moment(date).format('HH:mm:ss:SSS');
});

var myCustomTransform = new ValueTransformer(function (date) {
  return <span>
    <h4>{date.getHours()}</h4>
    <h3>{date.getMinutes()}</h3>
    <h2>{date.getSeconds()}</h2>
    <h1>{date.getMilliseconds()}</h1>
  </span>;
});




// Define our Clock component
// --------------------------
  
var Clock = React.createClass({
  getDefaultProps: function () {
    return {
      date: new Date(),
      dateTransform: new ValueTransformer()
    }
  },
  getTime: function () {
    return this.props.dateTransform.getTransformedValue(this.props.date);
  },
  render: function () {
    return <span>{this.getTime()}</span>; 
  } 
});




// Render our clocks, saving a ref to each
// ---------------------------------------
  
var clocks = {
  rawDate: React.renderComponent(
    <Clock />, 
    document.getElementById('raw-date')
  ),
  clock12: React.renderComponent(
    <Clock dateTransform={timeTransform} />, 
    document.getElementById('time-12hr')
  ),
  clock24: React.renderComponent(
    <Clock dateTransform={militaryTimeTransform} />, 
    document.getElementById('time-24hr')
  ),
  mirotime: React.renderComponent(
    <Clock dateTransform={microTimeTransform} />, 
    document.getElementById('time-microtime')
  ),
  customClock: React.renderComponent(
    <Clock dateTransform={myCustomTransform} />, 
    document.getElementById('time-custom')
  )
};




// Update the clocks as time passes 
// --------------------------------
  
window.setInterval(function () {
  for(var prop in clocks) {
    if(clocks.hasOwnProperty(prop)) {
      var clock = clocks[prop];
      clock.setProps({
        date: new Date()
      });
    }
  }
}, 10);
</script>




<dl>
  <dt>Raw Date</dt>
  <dd id="raw-date"></dd>
  <dt>12 Hour Time</dt>
  <dd id="time-12hr"></dd>
  <dt>24 Hour Time</dt>
  <dd id="time-24hr"></dd>
  <dt>Microtime</dt>
  <dd id="time-microtime"></dd>
  <dt>Custom</dt>
  <dd id="time-custom"></dd>
</dl>




            
          
!
            
              dl {
  margin: 1em;
}

dt {
  color: #999;
}

dd {
  margin: 1em;
  font-family: monospace;
  font-size: 1.2em;
}
            
          
!
999px
Close

Asset uploading is a PRO feature.

As a PRO member, you can drag-and-drop upload files here to use as resources. Images, Libraries, JSON data... anything you want. You can even edit them anytime, like any other code on CodePen.

Go PRO

Loading ..................

Console