Remove a Character From String in JavaScript

In JavaScript, characters can be removed from a string using different built-in methods. Since strings are immutable, each approach creates and returns a new string.

• Remove the first or all occurrences of a character.
• Remove a character based on its position or index.
• Choose an approach based on whether you need simple replacement or custom string manipulation.

These are the following approaches to remove a character from a string in JavaScript.

Approach 1: Using the replace() Method

The replace() method removes the first occurrence of a specified character by replacing it with an empty string.

let str = "GeeksForGeeks";

let result = str.replace("G", "");

console.log(result);

eeksForGeeks

Approach 2: Using replace() with a Regular Expression

A regular expression with the global (g) flag removes all occurrences of a specified character.

let str = "GeeksForGeeks";

let result = str.replace(/G/g, "");

console.log(result);

eeksForeeks

Approach 3: Using the substring() Method

The substring() method removes a character at a specific index by combining the parts before and after that character.

let str = "Hello World";

let result = str.substring(0, 4) + str.substring(5);

console.log(result);

Hell World

Approach 4: Using the slice() Method

The slice() method can also remove a character at a specific position by joining the portions before and after it.

let str = "Hello World";

let result = str.slice(0, 4) + str.slice(5);

console.log(result);

Hell World

Approach 5: Using split() and join()

The split() method divides the string around the specified character, and join() combines the remaining parts without that character.

let str = "GeeksForGeeks";

let result = str.split("G").join("");

console.log(result);

eeksForeeks

Approach 6: Using Array.filter()

This approach converts the string into an array of characters, filters out the unwanted character, and joins the remaining characters.

let s = "GeeksForGeeks";
let c = 'G';
let res = Array.from(s)
    .filter(char => char !== c)
    .join('');
console.log(res);