Shulou(Shulou.com)06/01 Report--

The main content of this article is to explain "JavaScript what is a variable containing variables", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Next let the editor to take you to learn "JavaScript what is a variable containing variables" bar!

The JavaScript variable can contain a single value:

Example

Var person = "Bill Gates"

Objects are also variables. But an object can contain many values.

Values are written in the form of name: value pairs (names and values are separated by colons).

Example

Var person = {firstName: "Bill", lastName: "Gates", age:62, eyeColor: "blue"}

A JavaScript object is a collection of named values.

Object attribute

The named value in the JavaScript object is called a property.

Attribute value

FirstName Bill

LastName Gates

Age 62

EyeColor blue

Objects written with name-value pairs are similar to:

Associative arrays in PHP

Dictionaries in Python

Hash table in C

Hash Mapping in Java

Hash in Ruby and Perl

At this point, I believe you have a deeper understanding of "JavaScript what is a variable containing variables". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.