coerce a string to number js code example
Example 1: Javascript string to int
var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256
Example 2: string to int javascript
var text = '42px';
var integer = parseInt(text, 10);
// returns 42
Example 3: convert a string to number in javascript
var x = Number("1000")
Example 4: convert a string to number in javascript
var x = parseInt("1000", 10); // you want to use radix 10
// so you get a decimal number even with a leading 0 and an old browser ([IE8, Firefox 20, Chrome 22 and older][1])