JS: for (var i in data) or for (var i=0;i<data.length;i++)?

Post date: Jan 31, 2011 10:12:44 AM

If you want to iterate by array than use

for (var i=0;i<data.length;i++) {

    do_smth_with(data[i])

}

NOT

for (var i in data) {

   do_smth_with(data[i])

}

Use this to iterate by objects only