Is it possible to have a shared script in ASP.NET that can be used for both client-side and server-side

Currently, I am developing a web application that involves a calculation method which takes a string as input and returns the number of SMS messages. This function is self-contained and does not rely on any external resources to operate.

I need this function to be functional both in the client-side for displaying the message's SMS count to users and in the server-side for calculating the cost associated with the message transmission.

Initially, my plan was to create a C# version of the function for server-side operations and a separate JavaScript version for client-side functionality. But then I had a 'DRY' moment - What if it's possible to execute JavaScript functions on the server-side as well? I'm uncertain about the feasibility of this approach.

So, here's my question: Is it achievable to run a JavaScript function on the server-side, or perhaps from a class library?

javascriptc#asp.netdry

Answer №1

Consider approaching this problem from a different perspective. Rather than attempting to execute javascript on the server side (which may not be feasible), why not create a C# function to perform the necessary calculations and then send the result back to the client? The client can trigger this function, perhaps through an ajax call or by passing it in via a viewmodel.

Answer №2

Here is the solution: 1. Implement an API in C# with a fixed number of parameters for calculation purposes. The client side code can then utilize ajax or xmlHttpRequest to interact with this API and handle the response locally. 2. Consider utilizing Node.js for server-side JavaScript, such as using the Node.js sandbox package, or the native Node.js VM module.

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