It is to change the target framework of the basic link to a new page to open. Change _blank to change the open target framework. The following is a summary through an example <base target=_blank> is to change the target framework of the basic link to a new page to open. If you are not very familiar with HTML, CSS and JS, it is not recommended to use this method, but change it to independent control.
In fact, many tags such as <a> and <form> support the target=black attribute. It is recommended to set it separately in such tags, such as:
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