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 arr = ['1','2','3'];
arr = arr.map(x => parseInt(x));
console.log(arr);
//Array(3) [ 1, 2, 3 ]var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256const numberInString = "20";
console.log(typeof(numberInString)) // typeof is string this is string in double quote " "
const numInNum = parseInt(numberInString) // now numberInStrings variable converted in an Integer due to parseInt
console.log(typeof(numInNum)) // this tell us the type of numInNum which is now a number//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 42let theInt = parseInt("5.90123"); //5
let theFloat = parseFloat("5.90123"); //5.90123