语义UI和Meteor JS：在不改变页面的情况下验证表单

I have a semantic-ui form:

我有一个语义形式:

<form class="ui form">
  <div class="ui form segment">
    <div class="ui field">
            <label>Enter New Category Name</label>
      <div class="ui input">
        <input type="text" placeholder="Category Name" id="category-name-input">
      </div>
    </div>

    <div class="ui submit button" id="add-category-btn">
    ADD CATEGORY
    </div>

  </div>
</form>
<form