获取手机号码按钮怎么阻止默认事件？

获取手机号码按钮怎么阻止默认事件？

<button class=‘btnCard’ hover-class=“none” open-type=“getPhoneNumber” catchgetphonenumber=“getPhoneNumber” wx:if=“{{authorizationInfo.showGetMobile}}”>立即领取</button>