Ensure a console object with the following methods: - info - log - error - debug - trace - group - groupEnd - warn

console.js

var console = {};
var methods = 'info log error debug trace group groupEnd warn'.split(' ');
for (var m in methods) {
  if (typeof console[methods[m]] !== 'function') {
    console[methods[m]] = function(){};
  }
}
window.console = console;