periksa apakah substring di string typeScript
const string = "foo";
const substring = "oo";
console.log(string.includes(substring));
2 Programmers 1 Bug
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");
}
//use indexOf (it returns position of substring or -1 if not found)
var string = "foo";
var substring = "oo";
console.log(string.indexOf(substring) !== -1);