See: https://github.com/angular/angular.js/blob/9480136d9f062ec4b8df0a35914b48c0d61e0002/src/ng/parse.js#L797-L846 https://github.com/angular/angular.js/blob/94

See: https://github.com/angular/angular.js/blob/9480136d9f062ec4b8df0a35914b48c0d61e0002/src/ng/parse.js#L797-L846 https://github.com/angular/angular.js/blob/9480136d9f062ec4b... Looks like they are never interpreted, but there are (at least) two different compilation strategies: 1) Anonymous function with a loop 2) Fully compiled Function constructed via JavaScript source with the loop unrolled In general, this bit of code seems to be optimized to a crazy degree. It's also worth noting that the "filters" part of the expression is maintained as a pipeline in an array, since filters may inform bidiectional binding behavior.