get the first 10 characters of a string in javascript 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: get first 10 characters of string javascript

String.substring(0, 10);

Example 4: str.substring if 2 letters

public String firstTwo(String str) {
    return str.length() < 2 ? str : str.substring(0, 2);
}

Example 5: reactjs cut part of string

var str = "Hello world!";

var res = str.substring(1, 4);

// res value is "ell"