string to decimal 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: javascript convert string to 2 decimal

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

Example 3: string to int javascript

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

Example 4: string to int javascript

// Convert strings
Number('123'); // returns 123
Number('12.3'); // returns 12.3
Number('3.14someRandomStuff'); // returns NaN
Number('42px'); // returns NaN