rango javascript
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
arvinreydelapena
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]function range(start, end) {
/* generate a range : [start, start+1, ..., end-1, end] */
var len = end - start + 1;
var a = new Array(len);
for (let i = 0; i < len; i++) a[i] = start + i;
return a;
}
function range(start, end, interval = 0) {
let arr = [];
interval = interval > 0 ? interval-1 : 0
for (let i = start; i < end; i++) {
arr.push(i)
i+=interval;
}
return arr
}
// example range(0 , 100 , 5)