gistfile1.js

      function code(geocoder, locations) {
        setTimeout(function() {
          geocoder(locations[0]);
          console.log(locations[0]);
          
          locations.shift();
          if(locations.length !== 0) {
           code(geocoder, locations);
          }
        }, 1000);
      }
                  
      _.each(geocoders, function(gc) {
        code(_.clone(gc, locations))
      });

var delay = 1000;
var funs = [f1, f2];
funs.reduceRight(function (memo, f) {
  setTimeout(f, memo);
  return memo + delay;
}, 0);