Once the province of half-baked implementations and useless scrolling messages, JavaScript is now a powerful, dynamic language with a rich ecosystem of professional-grade development tools, infrastructures, frameworks, and toolkits. Presented in bite-sized two-page tasks, these JavaScript tips help practitioners start quickly and save time-particularly through shrewd use of reusable code libraries.The JavaScript ecosystem can be tough to hack through, even for experienced programmers. There are so many extensive JavaScript reference books and competing libraries to choose from-Prototype, jQuery, MooTools, YUI, Dojo, ExtJS, and so on. Christophe Porteneuve is here to help: he gives you fundamentals, the most handy techniques, and the insider's best pr...