Hi Ember,
As Austin indicated this older thread made use of javascript inserted directly into the page and as of August of this year we have removed the ability to insert Javascript into Quickbase outside of code pages. As such the thread you are linking to contains content that would no longer work for your needs or in Quickbase. What is your goal for your stopwatch? It is possible, depending on your goal that we can use other supported tools for Quickbase to achieve something similar or that it could be achieved in a code page with some help from the members of Community who are coding savvy.
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Evan Martinez
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