Vanilla JavaScript Plugin

DragSelect  

Select any DOM element by clicking and/or dragging with your mouse just like you would in a desktop app.

Plugin Website  Demo

Related plugins

dragNdrop  

Easily add drag and drop functionality to DOM elements.

dragula  

Drag and drop so simple it hurts. Sort or move items in a list.

Selectable  

A fantastic vanilla JS version of jQuery's UI Selectable plugin.