GeezerVison

The World Wide Web, restored to 800 pixels of glory.

GeezerVison is showing uz.javascript.info — Massiv operatsiyalari.

Massiv operatsiyalari.

Keling, 5 ta massiv operatsiyasini sinab ko’raylik.

“Jazz” va “Blues” elementlari bilan massivni yarating.
“Rock-n-Roll” ni oxiriga qo’shing.
O’rtadagi qiymatni “Classics” bilan almashtiring. O’rtacha qiymatni topish uchun sizning kodingiz uzunlikdagi har qanday massivlar uchun ishlashi kerak.
Massivning birinchi qiymatini o’chirib tashang va uni ko’rsating.
Massivga Rap va Reggae ni oldinda qo’shing.

Jarayondagi massiv:

Jazz, Blues;
Jazz, Blues, Rock - n - Roll;
Jazz, Classics, Rock - n - Roll;
Classics, Rock - n - Roll;
Rap, Reggae, Classics, Rock - n - Roll;

let styles = ["Jazz", "Blues"];
styles.push("Rock-n-Roll");
styles[Math.floor((styles.length - 1) / 2)] = "Classics";
alert(styles.shift());
styles.unshift("Rap", "Reggae");

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