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...
problem description there is a list of topics recently created by the user on the user page. When you click on the last reply message on a topic, jump to the topic page and navigate to the last reply. But now after the jump to the past can not be loca...
The structure of vuex is like this export default new Vuex.Store({ state:{ projects:[], }, getters:{ getAllProjs(state){ return state.projects; }, getProjectNamesById(state){ return st...
as shown in the figure, the structure is like this. Then according to seo, the home page is rendered on the server side, and it is found that the spa of vue seems to be able to do it, so I would like to ask you to replace the home page with a single pa...
found that the vue project occasionally reported this kind of error, and the frequency was not low. At first, I thought I had defined a variable o, but I looked for it carefully for a long time, but I couldn t find it. What s wrong with this and how to...
because of the need to provide video playback function, a timeline has been added (see figure), but because the duration value of hsl video stream has always been that infinity, will automatically jump to the end of the video. Ask for help ...