undefined){task1()task2()task3()}或者,asyncfunc(){constpromise1=task1()constpromise2=task2()constres1=awaitpromise1constres2=awaitpromise2}或者,asyncfunctionfunc(){awaitPromise.all([task1(),task2(),task3()])console.log('三个任务已经执行')//全部执行完成后,执行以下代码}

undefined){task1()task2()task3()}或者,asyncfunc(){constpromise1=task1()constpromise2=task2()constres1=awaitpromise1constres2=awaitpromise2}或者,asyncfunctionfunc(){awaitPromise.all([task1(),task2(),task3()])console.log('三个任务已经执行')//全部执行完成后,执行以下代码}