How to deal with the invalid tag selected='selected' attribute

This time I will bring you the tag selected="selected"AttributeHow to deal with the failure of the tag selected="selected" attribute,What are the precautions, The following is a practical case, let’s take a look.

To add autocomplete="off"turn offautocomplete## on the select tag #, otherwise the browser will automatically select the option after each refresh, so that the default attribute selected="selected"It will fail

autocomplete="off"

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