phymooc / learn-javascript

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memory leak #7

Open phymo opened 2 years ago

phymo commented 2 years ago

Closure

phymo commented 2 years ago

in Browser, 浏览器中抓取内存的dump相对来说简单些,直接通过谷歌浏览器的调试工具找到memory对应的tab页面,然后点击Load即可开始抓取内存dump, image

phymo commented 2 years ago

In node.js:

> npm install heapdump
const heapdump = require('heapdump');
heapdump.writeSnapshot('start.heapsnapshot'); // 记录应用开始时的内存dump

// 应用code部分

heapdump.writeSnapshot('end.heapsnapshot'); // 记录应用结束时的内存dump