Support Firefox

[tomatoaiu]

firefox drag event has not clientX and clientY

Now

I use drag event

Proposal

• Use mousedown
• Use jQuery draggable
• Use dragover

[tomatoaiu]

New Propsal

• drag event has offsetX and offsetY.

[tomatoaiu]

note

solution

use drag over event

dragstart(event) {
      event.dataTransfer.setData('application/node type', event.target);

dragover(event) {
      console.log('dragover', event)