javascript string first n characters code example
Example 1: javascript delete first character in string
var oldStr ="Hello";
var newStr = oldStr.substring(1); //remove first character "ello"
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: 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"