Tab键在不同浏览器中的行为是不同的。在IE的情况下，焦点不会是禁用标签，但在FF和chrome的情况下，焦点将是相同的。
disabled="disabled"
当div周围有属性 <form name="myReferenceDataForm" role="form" ng-submit="AddNewGroupMembershipReferenceRecord()" style="margin: 10px">
<div class="form-group row">
<div style="padding-bottom:5px; padding-top:5px; ">
<label for="GroupCode" class="col-sm-4 form-control-label">
Group Code <span class="requiredRed">*</span>
</label>
<div class="col-sm-8">
<input ng-model="referenceAddRecord.groupCode" class="form-control" id="GroupCode" type="text">
</div>
</div>
</div>
<div class="form-group row">
<div style="padding-bottom:5px; padding-top:5px; ">
<label for="GroupName" class="col-sm-4 form-control-label">
Group Name <span class="requiredRed">*</span>
</label>
<div class="col-sm-8">
<input ng-model="referenceAddRecord.groupName" id="GroupName" class="form-control" type="text">
</div>
</div>
</div>
<div class="form-group row">
<label for="GroupType" class="col-sm-4 form-control-label">Group Type </label>
<div class="col-sm-8">
<select name="selGroupType" id="selGroupType" class="form-control" ng-change="referenceAddRecord.populateGroupTypeDetails(selGroupType)" ng-options="groupType.value for groupType in referenceAddRecord.groupTypes track by groupType.id" ng-model="referenceAddRecord.groupType"></select>
</div>
</div>
时，知道如何让FF和Chrome专注于h1吗？