Send an array from node server to js script

Question

My server (node.js) maintains an array :

var list = [];

I want to use this array in some js code (client side). I would like to retrieve it thanks to ajax. What is the best practice?

$.ajax({
    url: "http://localhost:8000/updatePendingAlerts",
    timeout: 2000,
    success: function (data)  {
      console.log(data);
      //data should be an array

    },
    error: function(jqXHR, textStatus, errorThrown) {
      clearInterval(timeout);
      alert('error ' + textStatus + " " + errorThrown);
    }
  });

Set headers as mentioned in Quetin's answer and then i think it is — Molda
– Molda, Commented Apr 21, 2015 at 15:56

Quentin · Accepted Answer · 2015-04-21 15:52:59Z

3

Serialise it to JSON (with JSON.stringify) and output it with an application/json content-type header.

It will then be an array in data with the client side JavaScript you already have.

answered Apr 21, 2015 at 15:52

Quentin

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2 Comments

Tristan BARDEY Over a year ago

thank that worked. I was just wondering if had no other options then using json.

Quentin Over a year ago

There are lots of options. JSON is just simplest and easiest since JS speaks it natively and it maps directly onto JS data types.

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