在其他JS文件和智能感知中引用JS文件

I've been learning JQuery and I am writing my custom jquery codes in Custom.js file. Actually what I am trying to do is, activate intellisense for Jquery in visual studio but it's not working and I want intellisense to also work in custom.js file where actually I'm writing my custom logic and codes.I've been learning JQuery and I am writing my c