3 ms·

jsPerf shows !!parseInt(str) and parseInt(str)? true : false as being decently faster...assuming I used jsperf properly. http://jsperf.com/test-bool-cast http

by bpicolo 13y ago

jsPerf shows !!parseInt(str) and parseInt(str)? true : false as being decently faster...assuming I used jsperf properly. http://jsperf.com/test-bool-cast http://jsperf.com/test-bool-cast

mmastrac 13y ago
Interestingly enough, it's probably faster to test != '0': http://jsperf.com/test-bool-cast/2 http://jsperf.com/test-bool-cast/2
xhrpost 13y ago
Yup, good call.