A new function is declared in the callback which changes the style property of the textarea. Import CSS: The first command will generate a directory/file (under a new directory called angular-material-tutorial) structure with many files that are needed so you can create your Angular The expansion panel header has role="button" and also the attribute aria-controls with the expansion panel's id as value. Angular Material 13 Server Side Table Pagination Example; Angular 13 Material Dialog Example Positions, Fullscreen, Events Tutorial; Vue Bootstrap Date & Time Picker Calender Component Example; Custom Email Validation Regex Pattern in React Js; Chrome Styled Color-Picker in React Js Application Note: The size of a textarea can also be specified by the CSS height and width properties. Angular Material uses MatInput Directive to create and