convert to a number js code example

Example 1: Javascript string to int

var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256

Example 2: how to change a string to number in javascript

let theInt = parseInt("5.90123"); //5
let theFloat = parseFloat("5.90123"); //5.90123

Example 3: javascript convert string to number

var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256

Example 4: javascript string to a decimal

<script language="JavaScript" type="text/javascript">
var a = "3.3445";
var c = parseFloat(a);
alert(c);
</script>

Example 5: 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])