(block)
| 22 | } |
| 23 | |
| 24 | function blockValue(block){ |
| 25 | var input = block.querySelector('input'); |
| 26 | return input ? Number(input.value) : null; |
| 27 | } |
| 28 | |
| 29 | function blockUnits(block){ |
| 30 | if (block.children.length > 1 && block.lastChild.nodeType === Node.TEXT_NODE && block.lastChild.textContent){ |