you can often see the method of converting a pseudo array into a true array on the Internet; similar to let pretendArr = {0:0,1:1,2:2,length:3}; [].slice.call(pretendArr); [0,1,2] so why? Why can it be converted to a true array? I hope someone can h...
is mainly a bit of a problem with code execution, so I won t list the use of dealing with apply and call here. The code is as follows. I don t understand it from Code 2. I don t understand even if I look at the ECMAScript standard. I hope I can get a...
how does a single page reference print background log information? students who develop in the background should know that most of the time, the background log information is printed, but a single page is returned to the same index page in the backgroun...
Mysql: I have previously read a saying that inconsistent sorting of items after order by will lead to the invalidation of federated indexes, such as order by a ASC, b DESC, c DESC an ascending order, b descending order, sorting inconsistency, inde...
recently used Vue as the login page. After entering the account number and password, I clicked on the login to refresh it. Inexplicably, I added an extra question mark at the back of my path. I printed it but did not print it out in the code, but it wa...
first of all, the absolute positioning of the small box in wxml binds the values of left and top, both of which are 10, used to initialize the positioning the page structure is gray with a view relative positioning, wrapped with internal red view, re...
tgcode ="dafafadfaf" result = "window.config = %s ;" % (tgcode) print(result) f.write(result, ) python window.config = dafafadfaf ; window.config = dafafadfaf ; " , def modify_text_folder(tgcode): CONFI...
problem description when submitting a form using a custom NavBar navigation bar in Mini Program, if the lowest part is that the textarea,input floppy disk pops up, the navigation bar will be topped out, how to break this problem? component libraries...