javascript get first letter of string code example

Example 1: how to get the first character of a string in javascript

let str = 'John Wick'
let firstChar = str.charAt(0) 
console.log(firstChar); // "J"

Example 2: javascript get first character of string

var str="Hello Folks!"
var firstStringChar = str.charAt(0); //H

Example 3: get first word of string js

let myStr = "Hello World"
let firstWord = myStr.split(" ")[0]

Example 4: js get first 3 characters of string

const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"

Example 5: js get first letter of string

var x = 'some string';
alert(x.charAt(0)); // alerts 's'

Example 6: js get words first letter

var str = "Java Script Object Notation";
var matches = str.match(/\b(\w)/g); // ['J','S','O','N']
var acronym = matches.join(''); // JSON

console.log(acronym)