javascript includes strict code example
Example 1: .includes( string
var str = "Hello world, welcome to the universe.";
var n = str.includes("world");
Example 2: javascript includes method
arr.includes(searchElement[, fromIndex = 0])
var str = "Hello world, welcome to the universe.";
var n = str.includes("world");
arr.includes(searchElement[, fromIndex = 0])