Welcome to day 6 of 7 Days of JavaScript!
Let’s see, I got a nice one for today.
Given an array and a number n, return the array with each element summed to n.
Here’s an example:
sumToArray(5,[1,2,3,4])
...
[6,7,8,9]
If you want, you can also return the output as a string - If that makes it easier for you, it’s OK.
You can check out the solution algorithm here.
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Type is an everyday concept to programmers, but it’s surprisingly difficult to define it succinctly. I find it helpful to use Set as a conceptual model instead.
One extremely powerful typescript feature is automatic type narrowing based on control flow. This means a variable has two types associated with it at any specific point of code location: a declaration type and a narrowed type.
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