how to convert the string into json object?

Question

I use the ajax which sends back a string..

I want to convert the responsetext into a json object to process.

I tried eval and also , but doesn't works...

Wht to do?

My code is

function handleResponse() {
  if(httpa.readyState == 4){
  var response = httpa.responseText;
    if(response!='empty')
    {
      alert(response);  
      var foo = eval('(' +strJSON+ ')');
      alert (foo);
    }
}
}

// response alerts

[{"id":"1","name":"Pepsodent 100g","selling_price":"28.75"},{"id":"2","name":"Pepsodent 40g","selling_price":"18.90"},{"id":"3","name":"Pepsodent brush","selling_price":"19.50"}]

Answer 1

Change strJSON to response.

Answer 2

Using http://www.JSON.org/json2.js

you can do

JSON.parse(response, reviver)

http://www.json.org/js.html