Answers for "javascript string includes substring"

check if string contains a substring in JavaScript?

const string = "javascript";
const substring = "script";

console.log(string.includes(substring));  //true

check if string contains a substring in JavaScript?'

let String = "codegrepper";
let Sub = "grepper";

console.log(String.includes(Sub)); // true

javascript 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)

javascript check if string contains a text substring

stringVariable.includes("Your Text");