locking in javascript for node.js

Question

//News object
var newsItem = function(heading, type, time, details, ...)
{
  this.heading = heading;
  this.type = type;
  this.time = time;
  this.details = details;
  ....
};

// array of all newsItem objects
var newsItems = [news1, news2, news....];

I do two things with my above node.js server side code:

I update my newsItems object by getting value from some news site.
I create html out of newsItems object to show it on UI.

Question:

How do I make sure that when I am updating my newsItems object I dont use it to create html.

Since this is multi threaded, one thread serving a request and background thread updating the object from the news site. I need some kind of locking here in javascript. I am running into race condition here.

Thanks a lot.

Related: stackoverflow.com/questions/5145749/locking-on-an-object (not sure it's a duplicate since I'm not familiar with node.js) — user447356
– user447356, Commented Jul 31, 2012 at 7:03

Jason · Accepted Answer · 2012-07-31 09:29:14Z

2

If you are running Node.js as your server, you don't need any lock. It's a single-thread environment.

answered Jul 31, 2012 at 9:29

Jason

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