Is This What parseInt Means?

[gobbly2100]

Hello,

I just wondered if parseInt is short for "Parse Integer" because after all, that is what it is doing?

[hrcerqueira]

yes it is. you also have a parseFloat function for example.

[MMJ]

var num = new String('55');
alert(parseInt(num));

[rock-The God]

The parseInt() function parses a string and returns an integer.

The radix parameter is used to specify which numeral system to be used, for example, a radix of 16 (hexadecimal) indicates that the number in the string should be parsed from a hexadecimal number to a decimal number.

If the radix parameter is omitted, JavaScript assumes the following:

* If the string begins with "0x", the radix is 16 (hexadecimal)
* If the string begins with "0", the radix is 8 (octal). This feature is deprecated
* If the string begins with any other value, the radix is 10 (decimal)

Syntax
parseInt(string, radix)

while
parseFloat() function parses a string and returns a floating point number.

This function determines if the first character in the specified string is a number. If it is, it parses the string until it reaches the end of the number, and returns the number as a number, not as a string.

[temp2]

The parseInt method returns an integer value equal to the number contained in numstring. If no prefix of numstring can be successfully parsed into an integer, NaN (not a number) is returned.
parseInt("abc") // Returns NaN.
parseInt("12abc") // Returns 12.