reverse number javascript
// Function to reverse Number
function reverseNum(n) {
let r = n.toString().split('').reverse().join('');
return Math.sign(n) * parseInt(r);
}
// Call
reverseNum(-267);
reverseNum(31522);
// Outputs
-762
22513
reverse number javascript
// Function to reverse Number
function reverseNum(n) {
let r = n.toString().split('').reverse().join('');
return Math.sign(n) * parseInt(r);
}
// Call
reverseNum(-267);
reverseNum(31522);
// Outputs
-762
22513
javascript reverse array
var arr = [34, 234, 567, 4];
print(arr);
var new_arr = arr.reverse();
print(new_arr);
.reverse javascript
const array1 = [1,2,3,4];
console.log('array1:', array1);
//"array1:" Array [1, 2, 3, 4]
const reversed = array1.reverse();
console.log('reversed:', reversed);
//"reversed:" Array [4, 3, 2, 1]
// Careful: reverse is destructive -- it changes the original array.
console.log('array1:', array1);
//"array1:" Array [4, 3, 2, 1]
array reverse in javascript
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);
reverse array javascript
const list = [1, 2, 3, 4, 5];
list.reverse();
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