Jul 8, 2025 · The parseInt() function parses a string argument and returns an integer of the specified radix (the base in mathematical numeral systems).

The parseInt method parses a value as a string and returns the first integer. A radix parameter specifies the number system to use: 2 = binary, 8 = octal, 10 = decimal, 16 = hexadecimal. If …

parseInt () 函数可解析一个字符串，并返回一个整数。 当参数 radix 的值为 0，或没有设置该参数时，parseInt () 会根据 string 来判断数字的基数。

Well, they are semantically different, the Number constructor called as a function performs type conversion and parseInt performs parsing, e.g.: Also parseInt will ignore trailing characters …

Jul 11, 2025 · TheparseInt method parses a value as a string and returns the first integer. It accepts a string argument and optional radix parameter, defining the numeral system base. …

Feb 6, 2025 · The parseInt() function in JavaScript is a powerful tool for converting strings into integers. It parses a string and returns an integer of the specified radix (base) or 10 (decimal) if …

In addition to parseInt(), JavaScript offers a few different options for converting strings to numbers, such as the Number() constructor and unary plus operator.

Sep 2, 2024 · As an essential JavaScript method, parseInt() converts string values into integer numbers. Mastering this function deeply benefits front-end and back-end developers alike.

Oct 5, 2023 · parseInt is a function in JavaScript used to convert a string into an integer. It parses through the string until it reaches a character that isn't a numeral, returning the integer formed …

The parseInt function converts its first argument to a string, parses that string, then returns an integer or NaN. If not NaN, the return value will be the integer that is the first argument taken …