Ako previesť reťazec v int v js
Príklady kódu
Reťazec Javascript na int
var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256ako previesť reťazec na int js
let string = "1";
let num = parseInt(string);
//num will equal 1 as a intjavascript previesť reťazec na číslo alebo celé číslo
//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 42javascript 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
*/Podobné stránky
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