Array vs Object in JavaScript – What's the Difference?
An array bundles values that a user cannot name, while an object bundles values that a user can name.
An array bundles values that a user cannot name, while an object bundles values that a user can name.
A block is a pair of braces used to group multiple statements. Block typically gets used in JavaScript functions and CSS rulesets.
A non-primitive data is a JavaScript value that can contain multiple other values. Object is the only non-primitive data that exist in JavaScript.
Object destructuring is a unique technique that allows you to neatly extract an object’s value into new variables.
A JavaScript primitive data type is any plain value used to program a webpage. Examples are Number, Boolean, String, Null, and BigInt.
A properties object is an element you can use to bundle up multiple named values into a single item. A pair of braces define JavaScript's properties object.
The rest operator is a syntax used to encase the rest of specific user-supplied values into a JavaScript array. It works with functions.
The spread operator helps to expand iterables into individual elements. It is effective only when used within an array, function, or object.