the browser has JS engine thread, GUI rendering thread, event thread, timer thread, network thread, event polling processing thread. It is often said that the worker thread works under the deployment of the main thread, so is the main thread the JS engin...

I open a website. What if I want to change the layout or interaction of the site? Open the console can be modified, but open the console modified page refresh will be invalid! so I thought that if I saved the modified code to a file, and then set it i...

how many threads does the browser have to process when I make two websocket connections at the same time? ...

chrome prompts "whether to stop loading the web page ". how does it work in detail? Terminate this network request? Or stop the execution of the current JS? also, when I was working on the upload plug-in, I found that clicking the stop button wou...

as shown in the figure, when Wechat receives a new message, the desktop taskbar icon will brighten and flicker. How can the browser also brighten and flicker when minimized? ...

in safari 5. When the react project is run in the version, the variable Set does not exist. It is difficult for me to use all three methods . "plugins":[ "transform-runtime" ] import babel-polyfill import core-js e...

< H1 > there is a requirement that it is inefficient to copy and paste to the details page all the time. < H1 > I have an idea. Write an extension of Chrome so that when it comes to a specific page, it parses a specific Dom node. However, because the ...

background I know that http 2 has a multiplexing mechanism in concurrency, and only one tcp is temporarily used no matter how many http requests there are. So there will be no request blocking. the following figure shows multiple http requests in ...