JavaScript обратный массив
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);
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]const arr = [34, 234, 567, 4];
console.log(arr);
const new_arr = arr.reverse();
console.log(new_arr);var arr = [1, 2, 3, 4, 5, 6, 7];
console.log (arr.reverse ());
for (i = 0; i < arr.length / 2; i++) {
var temp = arr[i];
temp =arr[arr.length - 1 - i];
temp = temp;
}
console.log (arr);var arr = ["f", "o", "o", "b", "a", "r"];
arr.reverse();
console.log(arr); // ["r", "a", "b", "o", "o", "f"]let arr = [1,2,3]
let newArr = arr.slice().reverse(); //returns a reversed array without modifying the original
console.log(arr, newArr) //[1,2,3] [3,2,1]