how to remove first character in string javascript code example

Example 1: remove first 3 characters from string javascript

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

Example 2: remove first and last character from string javascript

// Hey buddy, here are different implementation, choose your favourite !!

// best implementation
const removeChar = (str) => str.slice(1, -1);

// regex
function removeChar(str) {
  return str.replace(/^.|.$/g, "");
}

// without slice
function removeChar(str) {
  const array = str.split("");
  let res = "";
  for (let i = 1; i < array.length - 1; i++) res += array[i];
  return res;
}

Example 3: javascript remove first character from string

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

Example 4: how to remove first character from string in javascript

str = str.substring(1);

Example 5: javascript remove first character from string

let str = 'ss';

str = new RegExp('^.(.*)').exec(str)[1]; // "s"