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reversing an array in js
var arr=[1,2,5,6,2]
arr.reverse()
javascript reverse array
var arr = [34, 234, 567, 4];
print(arr);
var new_arr = arr.reverse();
print(new_arr);
how to reverse an array in javascript
array = [1 2, 3]
reversed = array.reverse()
javascript reverse array
const array1 = ['one', 'two', 'three'];
// expected output: "array1:" Array ["one", "two", "three"]
const reversed = array1.reverse();
// expected output: "reversed:" Array ["three", "two", "one"]
reverse array javascript
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]
Reverse array in javascript
const numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
const reverseNumbers = numbers.reverse();
console.log(reverseNumbers);
reverse array javascript
Reversing an Array
//The reverse() method reverses the elements in an array.
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.reverse();
//output >> ["Mango", "Apple", "Orange", "Banana"]
//if you find the answer is useful ,
//upvote ⇑⇑ , so can the others benefit also . @mohammad alshraideh ( ͡~ ͜ʖ ͡°)
reverse array js
var arr = ["f", "o", "o", "b", "a", "r"];
arr.reverse();
console.log(arr); // ["r", "a", "b", "o", "o", "f"]
how to reverse array in javascript
numArr.reverse();
strArr.reverse();
console.log(numArr);
console.log(strArr);
reverse array elements in javascript
// reverse array elements in javascript
const arr = ["first", "second", "third"];
arr.reverse(); // Mutates the array
console.log(arr); // ["third", "second", "first"]
how to reverse array in javascript
// reversing an array in javascript is kinda hard. you can't index -1.
// but i can show how you can do it in 4 lines.
var myArray = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
for (var i = myArray.length - 1; i > 0; i -= 1) {
myArray.shift();
myArray.push(i);
}
console.log(myArray); // output: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
how to reverse an array
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("]");
}
reverse array in javascript
const reverseArray = arr => arr.reduce((acc, val) => [val, ...acc], [])
reverse array in js
const array1 = ['one', 'two', 'three'];
console.log('reversed:', array1.reverse());
// Note that reverse() is destructive -- it changes the original array.
console.log('array1:', array1);
// expected output: "array1:" Array ["three", "two", "one"]
javascript reverse array
var a = [3,5,7,8];
a.reverse(); // 8 7 5 3
reversing an array
const list = [1,2,3,4,5];
list.reverse(); // It changes the original array
console.log('reversed:', list);
// expected output: "reversed:" Array [5, 4, 3, 2, 1]
javascript Reversing an Array
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.sort();
fruits.reverse();
Reverse an Array
function reversArray(){
for (let i = 0; i < arr.length; i++) {
for (let j = i + 1; j < arr.length; j++) {
let c, a, b;
b = arr[i];
arr[i] = arr[j];
arr[j] = b;
}
}console.log(arr);
}
let arr = [1, 12, 15, 16, 78, 89, 53 ,'hi'];
reversArray(arr);
reverse an array in javascript
const reverseArray = (arr)=>{
for (let v = arr.length ; v > 0 ; v--) {
return arr[v];
}
}
//if you find this answer is useful ,
//upvote ⇑⇑ , so can the others benefit also . @mohammad alshraideh ( ͡~ ͜ʖ ͡°)
Reverse array javascript
<!DOCTYPE html>
<html>
<body>
<p>Reverse Array JavaScript Example:</p>
<button onclick="reverseArrayValue()" id="btnClick">Click</button>
<p id="pId"></p>
<script>
var season = ["Summer", "Winter", "Monsoon","Spring"];
document.getElementById("pId").innerHTML = season;
function reverseArrayValue() {
season.reverse();
document.getElementById("pId").innerHTML = season;
}
</script>
</body>
</html>
Reverse an array java script
import React, { Component } from 'react';
export default class Slideshows extends Component {
constructor(){
super();
this.state = {
data:[
{ "id": "1", "name": 'Robert', "age": "21" },
{ "id": "2", "name": 'Sam', "age": "33" },
{ "id": "3", "name": 'Jerry', "age": "42" },
]
}
}
render() {
const reverseData = this.state.map((data, i) => {
return (
<li> {data.name} | {data.age} </li>
)
})
return (
<ul>
{reverseData}
</ul>
)
}
}
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