rlueder

document.addEventListener('keyup', function(e) {
  9 != e.keyCode || e.metaKey || e.ctrlKey || console.log(document.activeElement)
}, false)

rlueder

/*
* var person = { firstName: 'bill', lastName: 'johnson' }
* 
* person = _.rename(person, 'firstName', 'first')
* person = _.rename(person, 'lastName', 'last')
*
* console.log(person) // { first: 'bill', last: 'johnson' }
*/

_.rename = (obj, key, newKey) => {