// 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 placesvar myNumber=120;
var myString = myNumber.toString(); //converts number to string "120"function toNumberString(num) {
if (Number.isInteger(num)) {
return num + ".0"
} else {
return num.toString();
}
}
Input Output
3 "3.0"
3.4567 "3.4567"<script language="JavaScript" type="text/javascript">
var a = 3.3445;
var c = a.toString();
alert(c);
</script>
var num = 15;
var n = num.toString(); /* now */ "15"