Jak przekonwertować ciąg na int JS
let string = "1";
let num = parseInt(string);
//num will equal 1 as a int
Unusual Unicorn
let string = "1";
let num = parseInt(string);
//num will equal 1 as a intvar myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256//It accepts two arguments.
//The first argument is the string to convert.
//The second argument is called the radix. This is the base number used in mathematical systems. For our use, it should always be 10.
var text = '42px';
var integer = parseInt(text, 10);
// returns 42var text = '42px';
var integer = parseInt(text, 10);
// returns 42
let myNumber = Number("5.25"); //5.25var myString = "869.99"
var myFloat = parseFloat(myString)
var myInt = parseInt(myString)let num = Number("123"); // 123
let num = Number("123.45"); // 123.45
let num = Number("blah"); // NaN (not a number)