NOTE & BLOG

对于欧洲等基于字母文字的地区，字体优化简单，大小通常不超过 1MB。但对于东亚国家，字体尺寸是一个头疼的问题，可能会达到数兆字节甚至更多。

Because browsers have inherent defects in DOM manipulation. First of all, we need to know how the browser renders the code into a view after receiving the web page.

IPC, Inter-Process Communication, I's said that some technologies or methods for transmitting information or signals between at least two processes or threads. The above description comes from WIKI, which means that the method of transmitting information between Main Process and BrowserWindow is IPC.

Give the definition of closure in JavaScript and understand it by examples.