Reorderable drag-and-drop lists for modern browsers and touch devices. No jQuery or framework required.
check for existence of dataTransfer
As done in the other place where `dataTransfer` is used. This is to support fake html5 drag and drop events, where `dataTransfer` is not accessible. Use case: Selenium testing with ePages-de/chromedriver-html5-dragdrop
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Paolo Priotto committed
f7af4b15acdae26891fda77b6a29f2be9c6b7f92
Parent: 8baa240