best way to convert string to integer in javascript code example

Example 1: javascript convert string to number or integer

//It accepts two arguments. 
//The first argument is the string to convert. 
//The second argument is called the radix. This is the base number used in mathematical systems. For our use, it should always be 10.


var text = '42px';
var integer = parseInt(text, 10);


// returns 42

Example 2: string to number js

let myNumber = Number("5.25"); //5.25

Example 3: string to int javascript

var text = '42px';
var integer = parseInt(text, 10);
// returns 42

Example 4: javascript string to a decimal

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