numFilter (Number filter)
$numFilter checks the given parameters for valid numeric values.
Syntax
$numFilter(a [, b[, c[...]]])
Parameter
|
Name |
Description |
|
a |
The field, list or value to check for a numeric value (e.g. ' 5 ', $el(3,true) , $el(3) ). |
|
Other parameters |
Other fields similar to a. |
Return value
A list of valid numeric elements.
Example
Search all numeric values from the repeating element with the id 28:
|
Syntax |
Result |
|
$numFilter($el(28,true)) |
e.g. [3.14, 7, 42] |