JAVASCRIPT

add icon to angular

<button mat-button>
    <mat-icon>mic</mat-icon>
    Start Recording
</button>

how to add icons in angular

<fa-icon [icon]="['fas', 'headphones']" transform="shrink-6" 
[mask]="['fas', 'square']"></fa-icon>
<fa-icon [icon]="['fas', 'pencil-alt']" transform="shrink-6" 
[mask]="['fas', 'comment']"></fa-icon>

add icon to angular

npm install @fortawesome/fontawesome-svg-core
npm install @fortawesome/free-brands-svg-icons
npm install @fortawesome/free-regular-svg-icons
npm install @fortawesome/free-solid-svg-icons
npm install @fortawesome/angular-fontawesome