Time yy mm

Formats the time duration in the yy / mm format:

• Limits to 4 numbers
• Restricts input to numbers or slashes depending on the current state
• Includes a / between the years and months.

$('input.yy_mm').formance('format_yy_mm');

Validates the duration:

• Validates the duration can be parsed.
• Validates that the duration is not short nor empty.

$('input.yy_mm').formance('validate_yy_mm');