kata javascript dimulai dengan
const str = "Saturday night plans";
const res = str.startsWith("Sat");
console.log(res); //> true
redeluni
const str = "Saturday night plans";
const res = str.startsWith("Sat");
console.log(res); //> true//checks if a string starts with a word
function startsWith(str, word) {
return str.lastIndexOf(word, 0) === 0;
}
startsWith("Welcome to earth.","Welcome"); //true