Functions that are non-destructive and avoid any other “side-effects” are said to be “pure functions.” We can use forEach in this way, but the Array.map() function is specifically designed ...

In JavaScript, the forEach() method is used to process each element within an array. This method calls a function for each element in the array ...

Pass primitive values as arguments to functions. Pass arrays to functions as arguments. Access items stored in arrays using the indexes, Add, remove and check for items in an array using the index and ...

If a return value is not required from the function, and the array created by Array.prototype.map() is not used, then go with the Array.prototype.forEach() function. The latter doesn’t return any ...