If you require to add multiple tags from input then you can do it using XOXCO plugin. In this example you can do it quickly. jquery tagsinput will help to add multiple tags with good layout. After run bellow example you will found like preview. In this example i use cdn js path that way you don't require to download any js from internet. So you have to just copy this file and run in your sytem. it will words.
<img class="img-responsive" style="border:2px solid" src="/upload/Jquery-input-tags-plugin.png">
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