Please implement the test2 function to meet the following four conditions to pass the test, complete it in the most concise way, and guarantee the code quality module.exports.test2 = (input) = > {} (1) test2 () = 0 (2) test2 (1) () = 1 (3) test2 (1...
topic description In the original , the following related code partially withdraws the early return and delayed execution of the Corialization function, and the in the code only needs to determine the browser type once. My understanding of the code i...
topic description The function asyncify is a function whose output is the same regardless of whether it is called asynchronously or called by Synchronize (in this case, a = 1). The judgment about Synchronize does not quite understand the logical meani...
curry = fn => { let arr = []; judge = (...args)=>{ if(!args[args.length-1]){ return fn(arr); }else{ arr.push(...args); re...
Can you explain what this line of code means? Why can it be written like this? Why should it be written like this? fun log(tag: String) = fun(target: OutputStream) = fun(message: Any?) = target.write("[$tag] $messa...
I just wrote a test demo,. I don t know if it s my webpack configuration problem or something. When I run it, webpack-dev-server-- mode=development-- inline-- progress-- config build webpack.dev.conf.js the terminal display is as follows: ite...
at present, the page is laid out in rem, how to implement large, medium and small fonts? ...
for example, the following scroll bar gets the scroll length when scrolling....
linux wants to implement a scheduled task crontab to execute every ten seconds, but the minimum time for automatic execution is minutes. It is said on the Internet that the realization of seconds is foggy, how to achieve ...
scenario: the shell script completes the ETL work. The data extraction, transformation and loading operations correspond to three subscripts, all of which are atomic operations and need to be logged. idea: call multiple child scripts to control the wor...