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Defining Multiple Variables With One `var` Keyword In Javascript

I have a line in my source code written by someone else: var campaignLimits = 10, campaignsArray = new Array(); I just wanted to know, whether campaignsArray here becomes global v

Solution 1:

Assuming you have not used any programming pattern, If its written inside a function then its not global.

(function() { var campaignLimits = 10, campaignsArray = newArray(); })();

as @phoa commented it is same as

(function() { var campaignLimits = 10; var campaignsArray = newArray(); })();

Try it in your console and see whether you will be able to access campaignsArray.

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