15. Introducing jQuery

As JavaScript has developed into a more valuable language over the past two decades, its meaningful usage has become commonplace in today’s web sites. Accordingly, many PHP developers are expected to know a bit of JavaScript as well. Often this means learning jQuery, a popular JavaScript framework.

Although this chapter cannot present full coverage of JavaScript or jQuery, you’ll learn more than enough to be able to add to your PHP-based projects the features that users have come to expect. In the process, you’ll also learn some basics of programming in JavaScript in general, ...

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