const string = "javascript"; const substring = "script"; console.log(string.includes(substring)); //true
var string = "foo", substring = "oo"; console.log(string.includes(substring));
var str = "Hello world, welcome to the universe."; var n = str.includes("world");
const string = "foo"; const substring = "oo"; console.log(string.includes(substring));
var str = "We got a poop cleanup on isle 4."; if(str.indexOf("poop") !== -1){ alert("Not again"); }
var string = "foo", var substring = "oo"; console.log(string.includes(substring));