DevExtreme Data Grid, from DevExpress, it's a powerful Data Grid for Javascript. One of the features it's partial updates which allows to update a record of a grid without updating the full page. Usually the update is received using WebSocket protocol.
sgcWebSockets library can be used with DevExtreme Data Grid, allowing to update the Grid in Real-Time without losing performance.
Push API
DevExtreme uses a push API to update the Grid when a new modification is received. The server pass the data to the clients, usually using WebSocket protocol, and then pushes the modifications to the grid.
Below is an example of using sgcWebSockets Dataset Protocol with the DevExtreme Push API. It's a WebSocket server that provides Real-Time Stock Quotes to all Clients connected.
Find below the compiled DevExtreme Data Grid + sgcWebSockets demo for Windows.