js 添加邮箱验证

<form class="form" id="custom-form" method="post" autocomplete="off" data-mage-init='{"validation": {}}'>
   <fieldset class="fieldset">
       <legend class="legend">
        <span>Form Information</span>
       </legend>
       <div class="field required">
           <label for="email_address" class="label">
           <span>Email</span>
           </label>
       <div class="control">
            <input type="email" name="email" id="email" value=" "  title="Email"       data-validate="{required:true,  'validate-email':true}">
        </div>
       </div>
       <div class="field name required">
           <label class="label" for="name"><span>Name</span></label>
           <div class="control">
               <input name="name" id="field-2" title="Name" value="" class="input-text" type="text" data-validate="{required:true}"/>
           </div>
       </div>
   </fieldset>
   <div class="actions-toolbar">
       <div class="primary">
           <button type="submit" class="action submit primary" title="Submit"><span>Submit</span></button>
       </div>
   </div>
</form>

引用'mage/validation'，使用
var form = $('#custom-form');
    form.validation();
    return  $(form).validation() && $(form).validation('isValid');