jsperf: Minor ui.js cleanup. [jddalton]
jsperf: Minor ui.js cleanup. [jddalton]

halcyonandon/benchmark.js,KillerDesigner/benchmark.js,jayphelps/benchmark.js,rasata/benchmark.js,polymaths/benchmark.js,halcyonandon/benchmark.js,halcyonandon/benchmark.js,rasata/benchmark.js,dragthor/benchmark.js,dragthor/benchmark.js,jayphelps/benchmark.js,KillerDesigner/benchmark.js,jayphelps/benchmark.js,halcyonandon/benchmark.js,KillerDesigner/benchmark.js,polymaths/benchmark.js,polymaths/benchmark.js,jayphelps/benchmark.js,polymaths/benchmark.js,KillerDesigner/benchmark.js,rasata/benchmark.js,dragthor/benchmark.js,dragthor/benchmark.js,rasata/benchmark.js