jx13xx

const scores = [50, 6, 100, 0, 10, 75, 8, 60, 90, 80, 0, 30, 110];

//Any scores that are below 10 needs to be multiplied by 10 and the new value included.
const boostSingleScores = scores.map(function (val) {
    return (val < 10) ? val *10 : val;
})


//Remove any scores that are over 100.

jx13xx

var firstname = "MyNamew";

(function(name){

 var greeting = "Inside IIFE: Hellow"
 console.log(greeting + '' + name);
}(firstname))

jx13xx

    return (
        <Card>
            <form>
                <h2> How you rate your service with us?</h2>
                <div className={'input-group'}>
                    <input
                        onChange={handleTextChange}
                        type={'text'}
                        placeholder={'Write a review'}
                        value={text}/>

jx13xx

const showComments = true;

function App() {
    return (
        <div className='container'>
            <h1>Blog Post</h1>

            {showComments ? (<div className='comments'>

                <h3>Comments ({comments.length})</h3>

jx13xx

const comments = [
    {id: 1, text: 'Comment One'},
    {id: 2, text: 'Comment Two'},
    {id: 3, text: 'Comment Three'},
]

function App() {
    return (
        <div className='comments'>
            <h3>Comments ({comments.length})</h3>

jx13xx

let cases = {
    'firstName' : 'FirstName',
    'lastName' : 'LastName',
    'email': 'first_last@gmail.com',
    'salary': 500235
}

const verifiedEmail = !!cases["email"].match(/([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$/)

//  OR

jx13xx

class Rectangle extends Shape {
    constructor(width, height){
        super();
        this.width = width;
        this.height = height;
    }

    getArea(){
        return this.width * this.height;
    }

jx13xx

let cases = {
    'firstName' : 'FirstName',
    'lastName' : 'LastName',
    'email': 'first_last@gmail.com',
    'salary': 500235
}

const verifiedEmail = !!cases["email"].match(/([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$/)

//  OR

jx13xx

const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];

const result = words.filter(word => word.length > 6);
const containsE = words.filter(word => word.match(/[e]/g) );

console.log(containsE);

console.log(result);

jx13xx

function itemInCommon(arr1, arr2) {
    let obj = {}
    for(let i = 0; i < arr1.length; i++)
        obj[arr1[i]] = true

    for (let i = 0; i < arr1.length; i++) {
        obj[arr1[i]] = true
    }
    for (let j = 0; j < arr2.length; j++) {
        if (obj[arr2[j]]) return true