angular-material2

来源： https://stackoverflow.com/questions/52266444/cdk-virtual-scroll-inside-mat-select-for-mat-option

来源： https://stackoverflow.com/questions/45872178/how-to-get-mat-card-header-background-fully-colored-in-angular-2

来源： https://stackoverflow.com/questions/49569854/mat-date-formats-definition-meaning-of-fields

来源： https://stackoverflow.com/questions/49569854/mat-date-formats-definition-meaning-of-fields

来源： https://stackoverflow.com/questions/49796212/angular-material-icons-not-working

来源： https://stackoverflow.com/questions/49796212/angular-material-icons-not-working

来源： https://stackoverflow.com/questions/49796212/angular-material-icons-not-working

来源： https://stackoverflow.com/questions/49796212/angular-material-icons-not-working

来源： https://stackoverflow.com/questions/53376946/how-to-show-options-under-select-angular-material-7

问题 I am trying animate an icon inside the title of an expansion panel. My HTML: <mat-expansion-panel-header> <mat-panel-title> <mat-icon [@openClose]="panelOpenState? 'open' : 'closed'">keyboard_arrow_up</mat-icon> Click me, all other animates </mat-panel-title> <mat-panel-description> Type your name and age </mat-panel-description> </mat-expansion-panel-header> My component: @Component({ selector: 'expansion-overview-example', animations: [ trigger('openClose', [ // ... state('open', style({