Number cast javascri^t code example

Example 1: javascript convert a number in string

const num = 123; //> type number 123
const str = num.toString(); //> type string "123"

Example 2: string to number javascript

new Number(valeur);
var a = new Number('123'); // a === 123 donnera false
var b = Number('123'); // b === 123 donnera true
a instanceof Number; // donnera true
b instanceof Number; // donnera false