javascript string contains
var string = "foo",
substring = "oo";
console.log(string.includes(substring));s = "Hello world";
console.log(s.includes("world"));'Blue Whale'.includes('blue') // returns false
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.includes(substring));
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