var colors = ["red", "blue", "green"]; var hasRed = colors.includes("red"); //true var hasYellow = colors.includes("yellow"); //false
var fruits = ["Banana", "Orange", "Apple", "Mango"]; var n = fruits.includes("Mango");
let fruits = ["Banana", "Orange", "Apple", "Mango"]; let do_contain = fruits.includes("Mango"); // contain: true