tableau inversé JavaScript
var arr = [34, 234, 567, 4];
print(arr);
var new_arr = arr.reverse();
print(new_arr);
Black Footed Ferret
var arr = [34, 234, 567, 4];
print(arr);
var new_arr = arr.reverse();
print(new_arr);
var reversed = array.map(function reverse(item) {
return Array.isArray(item) && Array.isArray(item[0])
? item.map(reverse)
: item.reverse();
});let array1 = ["yes", "no", "maybe", "always", "sometimes", "never", "if"];
let array2 = [5,8,2,9,5,6,3,1];
function reverseArray(arr) {
var newArray = [];
for (var i = arr.length - 1; i >= 0; i--) {
newArray.push(arr[i]);
}
return newArray;
}
reverseArray(array1); // ["if", "never", "sometimes", "always", "maybe", "no", "yes"]
reverseArray(array2); // [1, 3, 6, 5, 9, 2, 8, 5] int[] xr = {1, 2, 3, 4, 5};
System.out.print("[");
for (int i = xr.length - 1; i >= 0; i--) {
System.out.print(xr[i] + ", ");
}
System.out.println("\b\b]");
}const arr = [34, 234, 567, 4];
console.log(arr);
const new_arr = arr.reverse();
console.log(new_arr);const reverseArray = arr => arr.reduce((acc, val) => [val, ...acc], [])