parse double in javascript 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: parsefloat jquery

var subtotal = parseFloat(val) + parseFloat(tax) + parseFloat(imp) + parseFloat(env);
 var subtotal = subtotal.toFixed(2); //two decimal places