reverse array javascript
var rev = arr.reverse();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]reverse array javascript
const list = [1, 2, 3, 4, 5];
list.reverse();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>
)
}
}reverse array in javascript
const reverseArray = arr => arr.reduce((acc, val) => [val, ...acc], [])Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
