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Personal Summary: It takes 15 minutes to finish this article, this article introduced the abstract syntax tree and JS engine parsing these syntax tree process, referred to lazy parsing-that is, the process of converting to AST is not directly into

Simple Data caching technology Recently did a while to optimize the performance of the program, there is a more interesting idea, want to put forward to communicate with you. Cache is a typical application mode of "space-time" strategy, which is an

The translator presses: I first translation foreign language, the speech unavoidably some obscure, but as far as possible expressed the author's original intention, does not have the excessive polishing, welcome criticizes the correction. Another

How to systematically learn JavaScript and learn javascript In the past, JavaScript was only used for some simple web page effects, such as form verification and floating advertisements. At that time, JavaScript was not taken seriously. Since the

The image below is the HTTP request I recorded when I browsed Baidu homepage using Firefox and Chrome.Here's the Firefox:Here's the chrome:Before browsing the homepage of Baidu, I will all clean out the cache of the browser, let this scene is

The image below is the HTTP request I recorded when I browsed Baidu homepage using Firefox and Chrome.Here's the Firefox:Here's the chrome:Before browsing the homepage of Baidu, I will all clean out the cache of the browser, let this scene is

Original: Explore true non-blocking loading JavaScript scripting technology, we will find a lot of unexpected secretsThe image below is the HTTP request I recorded when I browsed Baidu homepage using Firefox and Chrome.Here's the Firefox:Here's the

The image below is the HTTP request I recorded when I browsed Baidu homepage using Firefox and Chrome.Here's the Firefox:Here's the chrome:Before browsing the homepage of Baidu, I will all clean out the cache of the browser, let this scene is

The image below is the HTTP request I recorded when I browsed Baidu homepage using Firefox and Chrome.Here's the Firefox:Here's the chrome:Before browsing the homepage of Baidu, I will all clean out the cache of the browser, let this scene is

In the past, JavaScript was used only for some simple web page effects, such as form verification and wide floating In the past, JavaScript was only used for some simple web page effects, such as form verification and floating advertisements. At