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...
vue introduces the js file into index.html reports the following error. How to solve Uncaught SyntaxError: Unexpected token < ...
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as shown in the title: because the front and rear ends are separated from each other, jwt is used as a token to save user information. token is easy to be attacked by XSS when placed in localstorage, so I thought of using httpOnly s cookie to save tok...
Today, I found a test method in learning phpunit, but I don t quite understand its principle. This is a test class that failed the test. How should I write the testConsumer method and let the test pass? A strange thing happened here. When I passed th...
WeChat Mini Programs calls the API wx.chooseImage () to obtain local photo albums after the selection, click finish to jump to Mini Program s home page, and then there is no more Code: chooseImage(){ let that = this; wx.chooseImage({ ...