let str = 'John Wick'
let firstChar = str.charAt(0)
console.log(firstChar); // "J"
let myStr = "Hello World"
let firstWord = myStr.split(" ")[0]
const str = "What day of the week is it?";
// 1) the match() method:
str.match(/^w+s/)[0];// => What
// 2) the split() method:
str.split(' ')[0]; // => What
// 3) the slice() method:
str.slice(0, str.indexOf(' ')); // => What
let sentence = "The big brown fox"
let word = sentence.split(" ")[0]
console.log(word) // The
var x = 'some string';
alert(x.charAt(0)); // alerts 's'
let string = "Hello World"
let firstWord = typeof string.split(" ")[0] !== 'undefined' ? string.split(" ")[0] : null;
var str = "Java Script Object Notation";
var matches = str.match(/(w)/g); // ['J','S','O','N']
var acronym = matches.join(''); // JSON
console.log(acronym)