let styles = ["Jazz", "Blues"];
styles.push("Rock-n-Roll");
styles[Math.floor((styles.length - 1) / 2)] = "Classics";
alert( styles.shift() );
styles.unshift("Rap", "Reggae");
Accueil / javascript / 1-js / 05-data-types / 04-array / 2-create-array / solution.md