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The <mat-optgroup> element can be used to group common options under a subheading. The name of the group can be set using the label property of <mat-optgroup>. Like individual <mat-option> elements, an entire <mat-optgroup> can be disabled or enabled by setting the disabled property on the group.
2 lis 2020 · An optgroup can't be made selectable. Only mat-option can be selected. But we can use a workaround by keeping all items in the select as mat-options and add some custom style to differentiate groups.
9 paź 2019 · Angular Material provides mat-optgroup element to group common options under a subheading in mat-select element. The name for a group is set using label property of mat-optgroup.
1. <h4>mat-select</h4>. <mat-form-field>. <mat-label>Pokemon</mat-label>. <mat-select [formControl]="pokemonControl">. <mat-option>-- None --</mat-option>. <mat-optgroup *ngFor="let group of pokemonGroups". [label]="group.name".
The <mat-optgroup> element can be used to group common options under a subheading. The name of the group can be set using the label property of <mat-optgroup>. Like individual <mat-option> elements, an entire <mat-optgroup> can be disabled or enabled by setting the disabled property on the group.
The <mat-optgroup> element can be used to group common options under a subheading. The name of the group can be set using the label property of <mat-optgroup>. Like individual <mat-option> elements, an entire <mat-optgroup> can be disabled or enabled by setting the disabled property on the group.
23 kwi 2022 · Material selection has the mat-optgroup sub-component which allows us to group the option items. We have used this optional sub-component to group periodic table elements into different groups like Alkaline Earth Metals and Transition Metals and let us edit our components.
