The consequences of JavaScript repeating binding events illustrate _javascript techniques

Recently in the revision of Baidu map open source things, want to be coupled inside the code to split out. After dismantling, found some problems of pit dad. If there is no logical problem, the effect does not appear. Then think that is the code where the wrong writing, have been looking for AH. It was found that the corresponding event was executed two times at the time of debugging. Instantly it became clear that there must have been a repeat of the event in the place. Sure enough, the real brain residue of the binding two times.

Usually when you write code, if you find that the binding event triggered two times, it is necessary to see if it is bound two times. Don't be silly to look at the code everywhere, or suspect that someone else's API is problematic.

This article only records the problems that people encounter when they develop. Recently modified Baidu map Open source things, will be released after the project presented to everyone. I am a rookie, I hope everyone pointing.

After everyone in the development process, pay more attention to.