“What’s the typeof null?”, and other confusing JavaScript Types

The typeof operator in JavaScript evaluates and returns a string with the data type of an operand. For example, to find the type of 123, we would write – typeof 123 This will return a string with the type of 123, which, in this case, will be “number”. I… Read more

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JavaScript component-level CPU costs

Let's talk a bit about keeping tabs on how much CPU is consumed by an application's JavaScript. And let's frame the discussion around components - the atomic building blocks of the application. This way any performance improvement efforts (or regression i... (more…)

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