javascript get first n characters 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 10 characters of string

var str = "Hello world That is reallly neat!";
var res = str.substring(0, 5);//get first 5 chars

Example 3: javascript only allow show first few characters from a string

var string = 'Hey, I am good';
string.substring(0,3); // show first 3 characters
//result "Hey"

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: substring javascript

var str = "Hello world!";
var res = str.substring(1, 4); //ell

Example 6: get first 10 characters of string javascript

String.substring(0, 10);