check if string is substring of another string
function mutation(arr) {
let first = arr[0];
let second = arr[1];
return first.indexOf(second) !== -1;
}
console.log(mutation(["hello", "hel"]));check if string is substring of another string
function mutation(arr) {
let first = arr[0];
let second = arr[1];
return first.indexOf(second) !== -1;
}
console.log(mutation(["hello", "hel"]));Copyright © 2021 Codeinu
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