javascript object problem

Question

js objects, what knowledge is often used in actual development? Array? time? Regular expression?
For example, when using slideshows or other special effects, do these need to be used?

Answer 1

In actual development, basic types will be combined and used in various ways.

Answer 2

Objects that are not used in JavaScript development are java objects.

Answer 3

You can use the object as a container, which can be used to store various data formats

Answer 4

"Slides and other special effects" are said to belong to the presentation layer, which can be implemented by operating DOM elements or using Canvas; while objects and arrays are all data structures, and when you process data or write algorithms Will be used more often.