()
| 2 | * create a temp textarea |
| 3 | */ |
| 4 | const createTextArea = () => { |
| 5 | const elem = document.createElement('textarea') |
| 6 | |
| 7 | elem.style.width = 1 |
| 8 | elem.style.height = 0 |
| 9 | document.body.appendChild(elem) |
| 10 | |
| 11 | return elem |
| 12 | } |
| 13 | |
| 14 | /** |
| 15 | * exec copy command |