JavaScript – Array reduceRight() Method
The Array reduceRight() method executes a reducer function for every array item, working from right to left, returning a single value.
JavaScript – Array reverse() Method
The Array reverse() method reverses the order of the items in an array, overwriting the original array.
JavaScript – Array shift() Method
The Array shift() method removes and returns the first element of an array, changing the original array.
JavaScript – Array slice() Method
The Array slice() method returns selected elements in an array as a new array, without changing the original array.
JavaScript – Array some() Method
The Array some() method checks if any array elements pass a test by executing a callback function for each array element.
JavaScript – Array sort() Method
The Array sort() method sorts the elements of an array as strings in alphabetical and ascending order, overwriting the original array.
JavaScript – Array splice() Method
The Array splice() method adds and/or removes array elements, overwriting the original array.
JavaScript – Array toString() Method
The Array toString() method returns a string with array values separated by commas, and does not change the original array.
JavaScript – Array unshift() Method
The Array unshift() method adds new elements to the beginning of an array, overwriting the original array.
JavaScript – Array valueOf() Method
The Array valueOf() method returns the value of the array (contents), and does not change the original array.
JavaScript – Boolean toString() Method
The Boolean toString() method returns a string from the boolean.
JavaScript – Boolean valueOf() Method
The Boolean valueOf() method returns the primitive value of a boolean.
JavaScript – Class constructor Method
The Class constructor() method is for creating and initializing objects created within a class.
JavaScript – console.assert() Method
The console.assert() method writes a message to the console if an expression evaluates to false.
JavaScript – console.clear() Method
The console.clear() method clears the console, and depending on the browser, may write “Console was cleared” in the console.
JavaScript – console.count() Method
The console.count() method counts the number of times console.count() is called and writes the number to the console.
JavaScript – console.error() Method
The console.error() method writes an error message to the console, which can be useful for testing purposes.
JavaScript – console.group() Method
The console.group() method starts a message group, and all new messages will be written inside this group.
JavaScript – console.groupCollapsed() Method
The console.groupCollapsed() method starts a collapsed message group (which can be expanded), and all new messages will be inside this group.
JavaScript – console.groupEnd() Method
The console.groupEnd() method ends a console message group created with the console.group() method.