Learn how to use user-defined variables in JavaScript to store and manipulate different types of data, such as numbers, strings, Boolean values, and objects. Discover the rules for naming variables and understand the scope of variables in JavaScript.
Table of contents
Contents placed in JavaScript variablesUnderstanding JavaScript's "loose" variable data typesUsing the var statement to assign a variableString length limitationsUnderstanding the "scope" of variablesReferencing variables in other loaded documents84 Impressions