JavaScript-Style

Which ones are valid names for javascript files?

• my_script.js

• myscript.javascript

• myScript.js

• my-script.js

Choose the correct way to declare variables

• myvariable

• my_variable

• my-variable

• myVariable

Possible ways to declare a constant

• const myconst

• const myConst

• const MYCONST

• const my-cosnt

what's wrong with this code?

• More than 2 spaces

• Function name in UpperCamelCase

• Spaces between operands and operator '+'

• Parameter name

• Missing comments

What's wrong with this code?

• String with double quotes

• More than 2 spaces

• Braces are in the wrong position

• Parameters names

What is wrong in the following JSDoc comment?

• There is nothing wrong

• The variable has to be between braces

• The function does not return a number

• The first line of the comment does not have a tag

What should we always do in our JavaScript code?

• Add head comments

• Add 'use strict'

• Follow the Google style guide

• Use ' @ts-check '