function range() as range js
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() as range js
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;
}
generate array range
for (i of range(1, 5)) {
console.log(i);
}
/* Output
* 1 2 3 4 5 */
[...range(1, 5)] // [1, 2, 3, 4, 5]
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