async asyncAwait () { const c1 = await this . c1 (); const c2 = await this . c2 (); const c3 = await this . c3 (); } c1 () { console . log ( 'c1 called' ); return ; } c2 () { console . log ( 'c2 called' ); return ; } c3 () { console . log ( 'c3 called' ); return ; } } Output: