Answers for "map last index of array in js"

last index array javascript

var colors = ["red","blue","green"];
var green = colors[colors.length - 1]; //get last item in the array

get last item in map javascript

row.map((rank, i, arr) => {
    if (arr.length - 1 === i) {
        // last one
    } else {
        // not last one
    }
});