temporary file

by slawe

JavaScript

var arr = ["states", "states", "states", "states", "states", "vehicleYear", "vehicleYear", "vehicleYear", "vehicleYear", "vehicleYear", "vehicleYear", "vehicleYear"];
var counts = {};

for(var i = 0; i< arr.length; i++) {
    var num = arr[i];
    counts[num] = counts[num] ? counts[num]+1 : 1;
}


console.log(counts['vehicleYear']);