Array.prototype.some() - Description. The some() method executes the callback function once for each element present in the array until it finds the one where callback returns a truthy value (a value that becomes true when converted to a Boolean). If such an element is found, some() immediately returns true .
Array.prototype.every() - The every() method tests whether all elements in the array pass the test implemented by the provided function. Note: This method returns true for any condition put on an empty array. true if the callback function returns a truthy value for every array element.
Array.prototype.includes() - The includes() method determines whether an array includes a certain value among its entries, returning true or false as appropriate.
Array.prototype.find() - The find() method returns the value of the first element in the array that satisfies the provided testing function. Otherwise undefined is returned.
Array.prototype.filter() - The filter() method creates a new array with all elements that pass the test implemented by the provided function.
Array.prototype - Array instances inherit from Array.prototype. As with all constructors, you can change the constructor's prototype object to make changes to all
Ruby Programming Language - Ruby is A dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to
Ruby in Twenty Minutes - A Programmer's Best Friend · Home Downloads Introduction. This is a small Ruby tutorial that should take no more than 20 minutes to complete. It makes the