So verbergen Sie DIV basierend auf der Dropdown in Angular JS aus
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<div ng-app="myApp" ng-controller="myCtrl">
<div>
<p>Course Type</p>
<div>
<select name="student-type" id="student-type" class="icon-select-down" ng-model="studentType"
ng-change="getOption(this)">
<option value="java" selected>Java</option>
<option value="angularjs">Angular js</option>
<option value="reactJs">React js</option>
</select>
</div>
</div>
<div ng-if="showInput">
<p>Attendence Days</p>
<div class="slice-item">
<input type="text" class="input input-text" ng-model="attendenceDays" required validate-on="blur"
ng-pattern="/^([1-9]|10)$/" invalid-message="'You must enter number between 1 to 25'" />
</div>
</div>
</div>
SAMER SAEID