So erhalten Sie das erste Zeichen einer Zeichenfolge in JavaScript
let str = 'John Wick'
let firstChar = str.charAt(0)
console.log(firstChar); // "J"
Busy Buffalo
let str = 'John Wick'
let firstChar = str.charAt(0)
console.log(firstChar); // "J" const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"let myStr = "Hello World"
let firstWord = myStr.split(" ")[0]
var str="Hello Folks!"
var firstStringChar = str.charAt(0); //Hvar x = 'some string';
alert(x.charAt(0)); // alerts 's'let sentence = "The big brown fox"
let word = sentence.split(" ")[0]
console.log(word) // The