js parse decimal code example

Example 1: javascript convert string to float

// parseFloat takes in a string value and converts it to a float 
// The parseFloat function will look at the first character of
// the string and decided whether that character is a number or not
// If not the parseFloat function will return Nan

let stringNumber = "8.0"

let floatNuumber = parseFloat(stringNumber);

Example 2: javascript convert string to 2 decimal

var twoPlacedFloat = parseFloat(yourString).toFixed(2)

Example 3: Javascript string to int

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

Example 4: javascript convert a number in string

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

Example 5: javascript string to a decimal

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