JS Bin

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document.addEventListener("DOMContentLoaded", function(event) {

  contentLoaded = true;

  console.log('....');

});

​

window.onload = function () {

  console.log('****');

  js.log('event type: ', event.type);

  js.log('DOMContentLoaded: ', contentLoaded);

};

​

//////////////////////////////

//// utils

var js = {

  lineNumber: 1

};

​

js.log = function(text) {

  var node, child, lineText;

​

  node = document.getElementById('result');

  if (!node) {

    node = document.createElement('div');

    node.id = 'result';

    document.body.appendChild(node);

  }

​

  child = document.createElement('div');

​

  lineText = js.lineNumber + '.';

  lineText = Array.isArray(text) ? lineText + '[' + text + ']' : lineText + text;

​

  if (arguments.length > 1) {

    for (var k = 1; k < arguments.length; k++) {

      lineText += arguments[k];

    }

  }

​

  child.innerText === undefined ? child.textContent = lineText : child.innerText = lineText;

​

  node.appendChild(child);

  js.lineNumber += 1;

  return this;

};

​