convert character to number in javascript code example

Example 1: how to convert char to number in js

// the first parameter is the index of the string to convert to an ascii code
"A".charCodeAt(0);
//output: 65

Example 2: Javascript string to int

var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256

Example 3: 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])

Example 4: javascript to number

parseInt("1")