how to get the first character of a string in javascript
let str = 'John Wick'
let firstChar = str.charAt(0)
console.log(firstChar); // "J"how to get the first character of a string in javascript
let str = 'John Wick'
let firstChar = str.charAt(0)
console.log(firstChar); // "J"substring javascript
var str = "Hello world!";
var res = str.substring(1, 4); //elljs 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)str.substring if 2 letters
public String firstTwo(String str) {
return str.length() < 2 ? str : str.substring(0, 2);
}Copyright © 2021 Codeinu
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