for example, the constructor has a test () method, and there is also a test (), on the prototype. Is there any difference between the two methods?
for example, the constructor has a test () method, and there is also a test (), on the prototype. Is there any difference between the two methods?
just look for it in a different order. First, you can't find it by yourself, and then you can't find it from the prototype. If you can't find it on the prototype, you can find it from the prototype and form the prototype chain
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The requirement is very general, which is similar to the message notification in the top column of sf. I use socket for instant notification here. Login uses auth token. There is no problem with these two implementations. problem: when a user logs in...
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for the same code, there is no problem to delete it at one time. When the parameter array is deleted in batches and becomes multiple values, more requests will be sent. Is there a back-end problem? There must be no problem with the front end, because a s...