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 ...

Every object in JavaScript has these methods thanks to ... Many objects, like arrays, do define their own version. Custom objects can also define a version. When you interpolate an object into ...

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 ...