test Basil.js

=============
localstorage management functions:
the localstorage management functions is only one action: to update or save the array.
and , check list exist, if not exist, update, if yes, load it, when document ready

if (localStorage.watchlist === undefined) {
    ....
}
put a Save interface button

after list loaded, show the charts
=============

the List  management function is:
add, delete
after list updated, refresh the charts

and to parse and encode the list.

=============
array of arrays
[
[date, code],
[]

]

test shuffle