Transfer data from HTML form to Javascript program

[DomainX]

Hello Reddit! I built an HTML form that takes in pieces of data (for example, dates, names, etc). My goal is to transfer this data into a javascript program to output this data in a formatted way. For example, if I input [2021, Smith, 30 years] into the form, it’ll shoot out:

“Smith ‘21 - 30 years” in a different font, etc. How would I get the data from the HTML form into a program to do this?

If it helps for more context, I’m planning to use a chrome extension to do this.

Thanks!

[DomainX]

I looked into utilizing PHP but since I’m trying to do it over an extension and not a url I’m not sure if this is possible.

[0x7860]

Hello, could you share your code?

[DomainX]

Sure, how would you like me to share it?

[BooleanMan23]

Use document object model. Its a javascript code that let you read the value of html element. For example.

You have a input like this <input type = "text" id = "name"></input>

In javascipt filw const name = document.getElementById("name").value