how to replace a character in a string javascript code example

Example 1: replacing characters in string javascript

var myStr = 'this,is,a,test';
var newStr = myStr.replace(/,/g, '-');

console.log( newStr );  // "this-is-a-test"

Example 2: js replace characters in a string

var str = "Original string!";
var str = str.replace("Original", "New");

Example 3: javascript regex replace

const search = 'duck'
const replaceWith = 'goose';

const result = 'duck duck go'.replaceAll(search, replaceWith);

result; // => 'goose goose go'

Example 4: str replace javascript all

str.replace(/abc/g, '');