如何在NodeJS中控制对变量的并发访问？

Question

For example:

var i = 0;
while(true)
  http.request('a url', callback_f);

function **callback_f**(){
  **i++**;
}

In my simple imaginary example, some request might try to increase i's value in the same time, How can I write a code which is thread safe in NodeJS?

Answer 1

You do not have to worry about threads in Node.js. Node.js handles all calls within a single threaded environment.