How can I force clients to refresh JavaScript files?

Question

We are currently working in a private beta and so are still in the process of making fairly rapid changes, although obviously as usage is starting to ramp up, we will be slo

Answer 1

In asp.net mvc you can use @DateTime.UtcNow.ToString() for js file version number. Version number auto change with date and you force clients browser to refresh automatically js file. I using this method and this is work well.