There are 7 built-in data types in JavaScript: 6 primitive types: string, number, boolean, symbol, null, undefined 1 compound type: object, with subtypes such as object, array, function, etc.

Convert string values in JS object to boolean and numbers - anselanza/parse-strings-in-object ...

As with almost every programming language, JavaScript treats various types of values differently. A string like “Hello world” is very different from a number like 42. But what types are ...