javascript convert string to number
var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256
javascript convert string to number
var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256
convert a string to number in javascript
var x = parseInt("1000", 10); // you want to use radix 10
// so you get a decimal number even with a leading 0 and an old browser ([IE8, Firefox 20, Chrome 22 and older][1])
string to number javascript
let str = "390";
let num = +str;
console.log(num); // will give us int 390
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
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