FAQ: Introduction to JavaScript - Data Types


#1

This community-built FAQ covers the “Data Types” exercise from the lesson "Introduction to JavaScript ".

Paths and Courses
This exercise can be found in the following Codecademy content:

Web Development

Introduction To JavaScript

FAQs on the exercise Data Types

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#3

Why are single quote strings used to frequently here? While in the case of JavaScript, string literals do not exist in their proper context, it severely damages readability of the script when you get into value substitution and use of escape characters while still encasing them with single quotes, which in a majority of languages, albeit mainly compiled ones, represents a literal string. A string with no variables, no escape characters, and an innate form of simple input validation.