var arr = ['Car', 'Car', 'Truck', 'Boat', 'Truck'];
var hist = {};
hist = arr.reduce((prev, item) => {
if (item in prev) {
prev[item]++
} else {
prev[item] = 1
}
return prev;
}, {});
var arr = ['Car', 'Car', 'Truck', 'Boat', 'Truck'];
var hist = {};
hist = arr.reduce((prev, item) => {
if (item in prev) {
prev[item]++
} else {
prev[item] = 1
}
return prev;
}, {});