javascript - node cross file access

Question

//a.js
var x = 1;
function up(){
    x++;
}
module.exports.x = x;
module.exports.up = up;

//b.js
var vA = require('./a');
a.up();
console.log(a.x)

//c.js
var vA = require('./a');
a.up();
console.log(a.x)

How to change the x value in a in b.js and c.js in the above three files and share the value of x

Answer 1

I know, it’s a matter of writing order