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JavaScript Design
book

JavaScript Design

by William B. Sanders
December 2001
Intermediate to advanced
480 pages
9h 22m
English
New Riders
Content preview from JavaScript Design

A Weakly Typed Language Means That JavaScript Is Smart

One last characteristic of JavaScript needs to be discussed before going on to the next chapter. JavaScript is considered a “weakly typed” or “untyped” language. The type in question here are the data types—nothing to do with typing from your keyboard. For programmers coming from C++ or Java, two strongly typed languages, this means that JavaScript will figure out what type of data you have and make the necessary adjustments so that you don’t have to redefine your different types of data. Designers new to programming will welcome a weakly typed language because it will save time in learning several different conversion steps and data type declarations.

For example, suppose that you’re setting ...

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Publisher Resources

ISBN: 0735711674Purchase book