math.parseint code example

Example 1: parseint javascript

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
let myNumber = Number("5.25"); //5.25

Example 3: parseint js

parseInt(" 0xF", 16);
parseInt(" F", 16);
parseInt("17", 8);
parseInt(021, 8);
parseInt("015", 10);
parseInt(15.99, 10);
parseInt("FXX123", 16);
parseInt("1111", 2);
parseInt("15*3", 10);
parseInt("15e2", 10);
parseInt("15px", 10);
parseInt("12", 13);

//Return: 15

Example 4: parseInt() javascript

var myNumber="120";
var myString =parseInt(myNumber); //converts string to number return: 120

Example 5: javascript pareseint

parseInt(string, radix);

console.log(parseInt(' 0xF', 16));
// expected output: 1500

console.log(parseInt('321', 2));
// expected output: 0

console.log(parseInt('321', 10));
// expected output: 321

/* 
 * @param string Required. The value to parse. If this argument is not
 * a string, then it is converted to one using the ToString abstract
 * operation. Leading whitespace in this argument is ignored.
 *
 * radix
 * @param radix Optional. An integer between 2 and 36 that represents
 * the radix (the base in mathematical numeral systems) of the string.
 * Be careful—this does not default to 10!
 * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt#Description
 * for what happens when radix is not provided
 */

Example 6: javascript parseint

var myInt = parseInt("12.345");
//myInt = 12

var myFloat = parseFloat("12.345");
//myFloat = 12.345

var myFloat = parseFloat("12.345,50"); //<-- pay attention!
//myFloat = 12.345

var myFloatCrazy = parseFloat(0.1+0.2); //<-- pay MORE attention!
//myFloat = 0.30000000000000004