Array.prototype.push () The classical way to append elements to the end of an array is to use Array.prototype.push (). While versatile, you need to remember that it mutates the original array. On the ...

Functional programming with arrays Although JavaScript’s arrays are very capable out of the box, the functional paradigm improves the clarity and maintainability of array code.

Instructions: Create an array of books containing different book. Use the includes method to check if the array contains a javascript book. Print a message to the console indicating whether the ...