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@ -4,7 +4,7 @@ shortTitle: Undeclared, undefined and null
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type: question
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tags: javascript,type
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author: chalarangelo
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cover: blog_images/river-houses.jpg
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cover: river-houses
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excerpt: JavaScript has three different empty states for variables. Learn their differences and how you can check for each one.
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firstSeen: 2021-03-29T12:00:00+03:00
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lastUpdated: 2021-06-12T19:30:41+03:00
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