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Editor to share with you the solution that jquery data does not work, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

The solution that jquery data does not work: 1, open the corresponding code file; 2, use the "dom.attr ('data-hour')" statement, that is, the attr () method to get the attribute value.

This article operating environment: Windows7 system, jquery3.2.1, Dell G3 computer.

With regard to the .data () method of jQuery, it doesn't seem to work after reassignment

Recently I used jquery's data method to do a countdown, something like this:

01:00:00

1) at the beginning, we used the time stored in data, dom.data ()

2) re-assign data every other second, dom.attr ({'data-hour':hour,'data-minute':minute,'data-second':second})

3) pause

4) start again, repeat 1), and then notice that the countdown starts again from 1:00:00.

We don't know why, but we have changed it: 1) in the dom.attr ('data-hour'), attr () method to get the attribute value

If you know why, can you tell me? thank you.

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