Usuń JavaScript pierwszej postaci
let str = 'Hello';
str = str.slice(1);
console.log(str);
/*
Output: ello
*/
Important Ibex
let str = 'Hello';
str = str.slice(1);
console.log(str);
/*
Output: ello
*/
var string = "abcd";
console.log(string.substring(3)); //"d"var newStr = str.substring(1);let str = 'Hello';
str = str.substring(1);
console.log(str);
/*
Output: ello
*/
// this will replace the first occurrence of "www." and return "testwww.com"
"www.testwww.com".replace("www.", "");
// this will slice the first four characters and return "testwww.com"
"www.testwww.com".slice(4);
// this will replace the www. only if it is at the beginning
"www.testwww.com".replace(/^(www\.)/,"");// best implementation
const removeChar = (str) => str.slice(1, -1);