Javascript Int.parse Code Example

Example 1: how to convert string to int js

let string = "1"; let num = parseInt(string); //num will equal 1 as a int

Example 2: intval js

parseInt(value);  let string = "321" console.log(string); // "321" <= string  let number = parseInt(string); console.log(number) // 321 <=int

Example 3: Javascript string to int

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

Example 4: string to int javascript

var text = '42px'; var integer = parseInt(text, 10); // returns 42

Example 5: string to number javascript

new Number(valeur); var a = new Number('123'); // a === 123 donnera false var b = Number('123'); // b === 123 donnera true a instanceof Number; // donnera true b instanceof Number; // donnera false

Example 6: 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  */