In JavaScript, we declare variables with CONST when we want to protect it from mutation. But CONST declaration alone is not enough to protect really. Firstly let’s see data protection with CONST: As you see there is an alternative way to mutate CONST data. So what about if you really wat your data to be…
Until 2015 we need apply method to apply Math.max function to all elements of an array. ES6 destructing feature, announced at 2015, gives us an unpacked version of an array so that it makes using “apply” unnecessary.
First of all we must understand the meaning of factorial: The factorial function multiply all numbers from our chosen number down to 1. For instance: 3! = 3 x 2! = 3 x 2 x 1 = 6 5! = 5 x 4! = 5 x 4 x 3 x 2 x 1 = 120 1! = 1 0! = 1…
While developing SPA project, we sometimes need to use API keys. Although it is possible to hide these API keys with .ENV file importing method, you must find another method on production process because of the fact that: .env files’ content are visible to client when they investigate your .js files. .env importing is used for when…