1.vue2你有什么了解2.vue3和vue2的区别3.for (var i = 0; i < 3; i++) {var a = i;let b = i;setTimeout(() => console.log(i,a,b), 100);}4.for (var i = 0; i < 3; i++) {var a = i;let b = i;}setTimeout(() => console.log(i,a,b), 100);5.console.log(1);setTimeout(() => console.log(2), 0);Promise.resolve().then(() => {console.log(3);return Promise.resolve().then(async()=> {setTimeout(()=> console.log(6),0);await console.log(5)})});console.log(4);6.flex讲解7.你知道哪些数组方式8.slice用法(忘说这个了,有问了这个和splice区别)9.浏览器渲染机制10.重绘和回流的区别11.虚拟dom12.diff区别13.栈和堆的区别14.基本类型和引用类型的区别15.事件捕获16.this用法17.apply,call,bind18.闭包19.节流和防抖20.节流和防抖的应用场景都是什么21.后面忘记了22.没带电脑没考算法题,不然肯定要考的,不过大概率挂了