var str = "Hello world, welcome to the universe."; var n = str.startsWith("Hello");
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
const str1 = 'Saturday night plans'; console.log(str1.startsWith('Sat')); // expected output: true console.log(str1.startsWith('Sat', 3)); // expected output: false