replace string in array javascript code example

Example 1: js replace characters in a string

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

Example 2: replace all js

let a = 'a a a a aaaa aa a a';
a.replace(/aa/g, 'bb');
// => "a a a a bbbb bb a a"

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, '');

Example 5: javascript replace array element

array.splice(array.indexOf(valueToReplace), 1, newValue);