# Append to a json list stored in a hidden div?

**URL:** <https://community.plotly.com/t/append-to-a-json-list-stored-in-a-hidden-div/8909>\
**Category:** Dash Python\
**Created:** [March 12, 2018, 9:48pm UTC](https://community.plotly.com/t/append-to-a-json-list-stored-in-a-hidden-div/8909 "2018-03-12T21:48:24Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![chriddyp](https://sea2.discourse-cdn.com/flex024/user_avatar/community.plotly.com/chriddyp/32/16855_2.png) [@chriddyp](https://community.plotly.com/u/chriddyp)\
**Post date:** [March 21, 2018, 1:32pm UTC](https://community.plotly.com/t/append-to-a-json-list-stored-in-a-hidden-div/8909/9 "2018-03-21T13:32:40Z")

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> [@gtg489p](#):
>
> Create a sessionId list as a global var.

In addition, check out this solution out: [Capture window/tab closing event - #2 by chriddyp](https://community.plotly.com/t/capture-window-tab-closing-event/7375/2)

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