mpenet

jQuery.format = function(s, args) {
  return s.replace(/\{([^}]+)\}/g, function(_, match){return args[match] || '';});
};

>> $.format('Hello {world}, {again}', {world: "universe", again: "testing"});
"Hello universe, testing"

>> $.format('Hello {0}, {1}', ["foo", "bar"]);
"Hello foo, bar"