A key best practice if you’re writing JavaScript code is to avoid adding objects to the global scope. There are several good reasons for this – globals add coupling, it makes it easier for disparate libraries to break one another, etc. A general rule of programming is to avoid global scope, in fact. Unfortunately, JavaScript makes adding things to global scope very easy. Consider this bit of code:A key best practice if you’re writing JavaScrip
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Ensure You Are Not Adding To Global Scope in JavaScript（转）
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