Pure JavaScript

Global.parseInt()

JavaScript 1.0+, ECMAScript 1.0+, JScript 1.0+ Nav2+, NES2+, IE 3+, Opera3+ Syntax

parseInt(string, radix)

parseInt(string)

Description

The parseInt() method is used to convert a string to an integer. It can take string input with an optional radix input. The radix input represents the base of the number in the string.

Example

Listing 6.141 shows how parseInt() is used to parse a string. A few different examples are shown for different string types.

Listing 6.141 Example of the parseInt() Method

<html> <body> <script language="JavaScript"> <!–– Hide // convert the "859" string to an integer document.write("The string 859 converted to an integer is: "); document.write(parseInt("859") + "<br>"); // converts a binary ...