debug和内存泄露

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1node --inspect --inspect-brk xx/xx.js

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1let index = 0;
2let cache = {
3  method: function () {
4    debugger;
5    console.log("this is cache", index);
6  },
7};
8
9function cacheInfo(info) {
10  index += 1;
11  const prevCache = cache;
12
13  const method = function () {
14    if (prevCache) {
15      prevCache.method();
16    }
17  };
18
19  cache = {
20    info: info,
21    method() {
22      method();
23      console.log("this", index);
24    },
25  };
26}
27
28for (var i = 0; i < 100000; i++) {
29  const info = new Array(1000000);
30  cacheInfo(info);
31  debugger;
32}