// 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); var subtotal = parseFloat(val) + parseFloat(tax) + parseFloat(imp) + parseFloat(env);
var subtotal = subtotal.toFixed(2); //two decimal places// parseInt
parseInt("10");//------------ 10
parseInt("10.00");//--------- 10
parseInt("10.33")//--------- 10
parseInt("34 45 66")//------ 34
parseInt(" 60 ")//------ 60
parseInt("40 years")//------ 40
parseInt("He was 40")//----- NaN
parseInt("10", 10)//-------- 10
parseInt("010")//----------- 10
parseInt("10", 8)//--------- 8
parseInt("0x10")//---------- 16
parseInt("10", 16)//-------- 16
// parseFloat
parseFloat("10")//-----------10
parseFloat("10.00")//--------10
parseFloat("10.33")//--------10.33
parseFloat("34 45 66")//-----34
parseFloat(" 60 ")//---------60
parseFloat("40 years")//-----40
parseFloat("He was 40");//----NaN
/ mm.mirzaei /The parseFloat() function parses an argument (converting it to a string first if needed) and returns a floating point number.