$.each

$.each(collection, function(index, item){ ... }) ⇒ collection

Iterate over array elements or object key-value pairs. Returning false from the iterator function stops the iteration.

$.each(['a', 'b', 'c'], function(index, item){
  console.log('item %d is: %s', index, item)
})

var hash = { name: 'zepto.js', size: 'micro' }
$.each(hash, function(key, value){
  console.log('%s: %s', key, value)
})