Seeking a Javascript solution to automatically refresh a webpage when the server version is updated.
Update: I am aware of the technical aspects involved and how to implement this feature. However, I am interested in finding an existing solution that I can simply include in my HTML file to monitor the server for changes. Why start from scratch when a ready-made script could do the job? :D
Make periodic ajax requests to a server-side script with the timestamp of the most recent file, check if it is newer than the one on the server, and if so, retrieve and display its contents before refreshing the page.
If you're looking to update clients in real-time when a new version is ready, consider utilizing a technology like Comet. This approach allows for push messages to be sent from the server to the client as soon as an update is available. By maintaining an open connection between the client and server, messages can be transmitted and acted upon by the client (such as executing JavaScript code to refresh the page).
Check out this example using a PHP backend to implement Comet effectively.
In order to utilize this particular technology, one must incorporate node.js along with the socket.io module.
By doing so, users can take advantage of WebSockets, which maintain an open channel between the client and server, enabling real-time reactions to any messages sent in either direction.
If websockets are not supported (such as on older browsers), socket.io will seamlessly transition to long-polling ajax instead.
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