Angular directive which creates the fastes dropdown you'll find. It offers single or multiple selection modes and a wide range of output formats. VERY fast. You won't find anything faster. The demos I work with are made of ~45.000 objects built with the utils/generate_big_dataset.js script, and the directive is able to check, validate, process and insert the entire data in ~1.5 seconds. You can get even faster than that if you craft your input data carefully (see docs).