promise优先级相同的异步任务
时间: 2023-08-17 08:11:42 浏览: 54
回答: 在JavaScript中,异步任务分为宏任务和微任务。宏任务包括setTimeout、setInterval、setImmediate、I/O、ui render等,而微任务包括Promise、process nextTick、object.observe、MutationObserver等。根据引用\[2\]中的描述,微任务具有较高的优先级,而宏任务的优先级较低。所以,如果有多个promise任务同时触发,它们的优先级是相同的,都会被放入微任务队列中按照顺序执行。
#### 引用[.reference_title]
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