how to remove specific characters in string javascript code example

Example 1: javascript remove specific character from string

var newString = oldString.replaceAll("character/string goes here", "");

// Example
var oldString = "Hello World!";
var newString = oldString.replaceAll("o", "");
console.log(newString);
// Prints 'Hell Wrld!' to console.

Example 2: javascript remove characters from beginning of string

// 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\.)/,"");

Example 3: javascript remove character from string

mystring.replace(/r/g, '')