What is the purpose of the var keyword and when should I use it (or omit it)?

What is the purpose of the var keyword and when should I use it (or omit it)?

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What's the yield keyword in JavaScript?

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What type is the 'return' keyword?

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What does "self" mean in javascript?

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Javascript check yield support

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What is the `name` keyword in JavaScript?

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What is the Javascript Package keyword used for?

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Why 'NaN' and 'Undefined' are not reserved keywords in JavaScript?

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