1426625 - dataTransfer is unavailable in listener of dragstart event when drag a text of input

Status: RESOLVED DUPLICATE of bug 1435451

(Core :: DOM: Copy & Paste and Drag & Drop, defect)

Description

[pea3nut]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0
Build ID: 20171206182557

Steps to reproduce:

Drag the text of textarea

<textarea name="" id="" cols="30" rows="10">drag me</textarea>
<script>
    document.addEventListener('dragstart', event =>event.dataTransfer.items);
</script>


Actual results:

Got an error:
> Error: Permission denied to access property "items"

It looks like dataTransfer is unavailable in listener of dragstart event when drag a text of the textarea


Expected results:

dataTransfer is available