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JavaScript in 24 Hours, Sams Teach Yourself, Sixth Edition by Phil Ballard

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Hour 5. Numbers and Strings

What You’ll Learn in This Hour:

Image The numeric and string data types supported by JavaScript

Image Conversion between data types

Image How to manipulate strings

We use the term data type to talk about the nature of the data that a variable contains. A string variable contains a string, a number variable, a numerical value, and so forth. However, the JavaScript language is what’s called a loosely typed language, meaning that JavaScript ...

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