简短而有趣的 JavaScript 片段

const currentdatetime = new date();
console.log(currentdatetime);

const number = [5, 2, 7, 10, 1]
const maxnumber = math.max(...number)

// 10

function shufflearray(array) {
    return array.sort(() => math.random() - 0.5);
}

const randomnumber = math.floor(math.random() * 10) + 1;
console.log(randomnumber);

// 7

const str = 'hello, world!''
console.log(str.tolowercase());

// hello, world!

const num = 5;
if (num % 2 === 0) {
    console.log('number is even');
} else {
    console.log('number is odd');
}

// 'number is odd'

let seconds = 5;
const countdown = setinterval(() => {
    console.log(seconds);
    seconds--;
    if (seconds < 0) {
        clearinterval(countdown);
        console.log('countdown finished!');
    }
}, 1000);


// 5
// 4
// 3
// 2
// 1
// countdown finsihed!

const numbers = [1, 2, 3, 4, 5];
const strings = numbers.map(string);
console.log(strings);

// ['1', '2', '3', '4', '5']

let arr = ["apple", "mango", "apple", "orange", "mango", "mango"];
const removeduplicates = arr => [...new set(arr)];

console.log(removeduplicates(arr));

// ['apple', 'mango', 'orange']

const sentence = "this is a sentence";
const words = sentence.split(" ");

console.log(words);

// ['this', 'is', 'a', 'sentence']

function repeatstring(str, n){
    return str.repeat(n);
}

const repeatedstr = ('abc', 3);
console.log(repeatedstr);

// 'abcabcabc'

// define the intersection function
const intersection = (a, b) => a.filter(value => b.includes(value));

// example arrays
const arraya = [1, 2, 3, 4, 5];
const arrayb = [4, 5, 6, 7, 8];

// use the intersection function to find common elements
const result = intersection(arraya, arrayb);

// log the result to the console
console.log(result);

// [4, 5]

const name = 'matin imam';
const greeting = `hello, ${name}!`;
console.log(greeting); // "hello, matin imam!"

const person = {name: 'matin'};
const details = {work: 'developer'};

const fulldetails = {...person, ...details};
console.log(fulldetails);

// {name: 'matin', age: 30}

setTimeout(() => location.href = https://www.linkedin.com/in/matin-imam/", 5000);