convert python List to javascript array

Chris Rebert clp2 at
Fri Sep 2 13:26:15 EDT 2011

On Fri, Sep 2, 2011 at 8:34 AM, Vineet Deodhar <d_vineet at> wrote:
> Hi !
> Within a web framework, I want want to pass a python sequence (list or
> tuple) to client-side javascript function as an array (javascript
> compatible)
> e.g., I have this list:
> L = ['spam', 'ham', 'eggs', 12, (13.63)]
> What is the correct way to convert L to javascript array format?
> 1) jsonify the list and pass it to javascript
> (whether json format & javascript array are similar?)

JSON is in fact a subset of JavaScript, and modern browsers now
include a specific API for parsing and generating it
( ).
Python likewise has a JSON module in the std lib:

> OR
> 2)
>>> import array
>>> y = array.array(i, L)
>  then return y to javascript function
> But the problem with this method is, it will give an array of basic values
> only.

The word "array" gets tossed around a lot by programmers. The `array`
module is not at all what you want in this case.


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