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User 293758 avatar

By nfrankel
via java.dzone.com
Published: Apr 09 2013 / 10:38

As opposed to Java, JavaScript provides global variables. Also, JavaScript functions are available from everywhere. Isolation is not built-in, but has to be designed. The first rule is: do not use global variables. Global variables are a bug waiting to happen, encapsulation should be enforced, period.
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