ionic 4 notification badge code example
Example: ionic badge
<ion-badge>99</ion-badge>
<ion-badge color="primary">11</ion-badge>
<ion-badge color="secondary">22</ion-badge>
<ion-badge color="tertiary">33</ion-badge>
<ion-badge color="success">44</ion-badge>
<ion-badge color="warning">55</ion-badge>
<ion-badge color="danger">66</ion-badge>
<ion-badge color="light">77</ion-badge>
<ion-badge color="medium">88</ion-badge>
<ion-badge color="dark">99</ion-badge>
<ion-item>
<ion-badge slot="start">11</ion-badge>
<ion-label>My Item</ion-label>
<ion-badge slot="end">22</ion-badge>
</ion-item>