Nodejs之nextTick vs setImmediate

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// 加入两个nextTick()的回调函数
process.nextTick(function () {
    console.log('nextTick延迟执行1');
});
process.nextTick(function () {
    console.log('nextTick延迟执行2');
});
// 加入两个setImmediate()的回调函数
setImmediate(function () {
    console.log('setImmediate延迟执行1');
    // 进入下次循环
    process.nextTick(function () {
        console.log('强势插入');
    });
});
setImmediate(function () {
    console.log('setImmediate延迟执行2');
});
console.log('正常执行');

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$ node -v
v10.15.0