Method deselect

src/material/core/option/option.ts:178–187

Deselects the option.

(emitEvent = true)

  /** Deselects the option. */
  deselect(emitEvent = true): void {
    if (this._selected) {
      this._selected = false;
      this._changeDetectorRef.markForCheck();

      if (emitEvent) {
        this._emitSelectionChangeEvent();
      }
    }
  }

  /** Sets focus onto this option. */
  focus(_origin?: FocusOrigin, options?: FocusOptions): void {