TypeScript

reduce() method applies a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value. Syntax array.reduce(callback[, initialValue]); Parameter Details callback − Function to…

push() method appends the given element(s) in the last of the array and returns the length of the new array. Syntax array.push(element1, ..., elementN); Parameter Details element1, ..., elementN − The…

pop() method removes the last element from an array and returns that element. Syntax array.pop(); Return Value Returns the removed element from the array. Example var numbers = [1, 4,…

map() method creates a new array with the results of calling a provided function on every element in this array. Syntax array.map(callback[, thisObject]); Parameter Details callback − Function that produces an…

lastIndexOf() method returns the last index at which a given element can be found in the array, or -1 if it is not present. The array is searched backwards, starting…

join() method joins all the elements of an array into a string. Syntax array.join(separator); Parameter Details separator − Specifies a string to separate each element of the array. If omitted, the…

indexOf() method returns the first index at which a given element can be found in the array, or -1 if it is not present. Syntax array.indexOf(searchElement[, fromIndex]); Parameter Details searchElement −…

forEach() method calls a function for each element in the array. Syntax array.forEach(callback[, thisObject]); Parameter Details callback − Function to test for each element.thisObject − Object to use as this when executing…

filter() method creates a new array with all elements that pass the test implemented by the provided function. Syntax array.filter (callback[, thisObject]); Parameter Details callback − Function to test for each…

every() method tests whether all the elements in an array passes the test implemented by the provided function. Syntax array.every(callback[, thisObject]); Parameter Details callback − Function to test for each element.thisObject − Object…