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Refresh a page using JavaScript or HTML [duplicate]

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Pros and Cons of Interface constants [closed]

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Difference between wait() and sleep()

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Can I set variables to undefined or pass undefined as an argument?

...e been part of the language; null would have worked just fine for (2) and (3), and (4) is a misfeature that only exists because in the beginning JavaScript had no exceptions. what does if (!testvar) actually do? Does it test for undefined and null or just undefined? Such a ‘truthiness’ tes...
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Can I make a not submit a form?

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Why check both isset() and !empty()

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How can I declare and define multiple variables in one line using C++?

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jquery if div id has children

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Express.js req.body undefined

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How do you declare an interface in C++?

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