title: Is phonegap index.js file really necessary in a web application?
body: <p>Please am new to programming and am trying to build my first mobile app. the question is do i need the phonegap index.js file, cant i just write my code without it like normal jQuery code in a website? I don't really understand how to put the code in the index.js file.The code is very basic, nothing complicated.  Thank you</p>