yes because you use val inside {{...}} and that is python code, not JS code.
Try replace
ajax('{{=URL('default','other' vars = {'key':val})}}',[],'target')"/>;
with
ajax('{{=URL('default','other')}}?key='+val,[],'target')"/>;
On Wednesday, 28 December 2016 10:20:26 UTC-6, nishanta sarma wrote:
>
> <script>
> function my_function()
> {
> var val = 'val';
> ajax('{{=URL('default','other' vars = {'key':val})}}',[],'target')"/>;
>
> }
> </script>
>
> <button onclick="my_function();/>
>
>
> #in the controller:default.py
> other:
> val = request.vars.key
> .......
> ......
> return val
> this code is not working gives a name error val is not defined
>
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