how to remove first character from string in javascript

1let str = 'Hello';
2 
3str = str.slice(1);
4console.log(str);
5 
6/*
7    Output: ello
8*/
9

1var string = "abcd";
2console.log(string.substring(3)); //"d"

1let str = " hello";
2str = str.substring(1);

1// Hey buddy, here are different implementation, choose your favourite !!
2
3// best implementation
4const removeChar = (str) => str.slice(1, -1);
5
6// regex
7function removeChar(str) {
8  return str.replace(/^.|.$/g, "");
9}
10
11// without slice
12function removeChar(str) {
13  const array = str.split("");
14  let res = "";
15  for (let i = 1; i < array.length - 1; i++) res += array[i];
16  return res;
17}
18

1var newStr = str.substring(1);

1str = str.substring(1);