What is the code specification for JavaScript variable names

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JavaScript code specification

Code specifications usually include the following aspects:

Naming rules for variables and functions

Rules for the use of spaces, indentation, and comments.

Other commonly used specifications...

Canonical code can be easier to read and maintain.

Code specifications are generally specified before development, and you can negotiate settings with your team members.

Variable name

It is recommended to use the hump method to name the variable name (camelCase):

FirstName = "John"

LastName = "Doe"

Price = 19.90

Tax = 0.20

FullPrice = price + (price * tax)

Spaces and operators

Usually a space needs to be added before and after the operator (= +-* /):

Example:

Var x = y + z

Var values = ["Volvo", "Saab", "Fiat"]

Code indentation

You typically use four space symbols to indent a block of code:

Function:

Function toCelsius (fahrenheit) {

Return (5 / 9) * (fahrenheit-32)

}

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