Javascript Global Functions
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These functions exist in the global context and can be called from anywhere. | These functions exist in the global context and can be called from anywhere. | ||
| − | * <div id="isNaN">'''isNan( | + | * <div id="isNaN">'''isNan(arg)'''</div> |
| + | This function checks if ''arg'' is a number or not. | ||
| + | |||
| + | * <div id="parseInt">'''parseInt(str)'''</div> | ||
| + | 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. | ||
| + | |||
| + | * <div id="parseInt">'''parseInt(str,base)'''</div> | ||
| + | Converts a string ''str'' to a number using a specific numbering ''base'' | ||
| + | |||
| + | Base must be between 2 and 36. | ||
Revision as of 16:54, 10 September 2013
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.
