Javascript Global Functions

These functions exist in the global context and can be called from anywhere.

• isNan(arg)

This function checks if arg is a number or not.

• parseInt(str)

Converts a string str to a number using a default numbering base

Obeys usual programming conventions:

• Strings starting with 0x are hexadecimal
• Strings starting with 0 are octal
• All other strings are assumed decimal

Returns number or zero if str was not parsable.

• parseInt(str,base)

Converts a string str to a number using a specific numbering base

Base must be between 2 and 36.