JavaScript’s arrays can hold heterogeneous ... In this example, we take an array of objects holding rock bands and the year they were formed and then use bands.filter() to provide a function ...

Arrays are wonderful and a very particular type in JavaScript. There are many useful ... like summing all the values of an array or in an object array, counting for particular items in the array ...

forms array—This is an array of all of the form objects for this page. As mentioned, for every control defined inside a form on your Web page, a corresponding JavaScript object is created when the Web ...

JSON consists of arrays and objects, as well as names and value pairs. Punctuation used in the format includes quotations, brackets, parentheses, semicolons and colons. Data in JSON is written in name ...