Nicholas C. Zakas does a great job here of showing all the new functionality in ECMAScript, and also how it compares to the older standard. The chapters in the book delve into block bindings, strings and regular expressions, functions, destructuring, symbols, sets and maps, iterators and generators, classes, promises, proxies, and modules. Each code example is self-contained, and the author shows a number of samples for each concept, making it easier to understand step by step. He even starts with how it was done in ES5, so you can see familiar concepts transformed into their modern equivalents. I learned quite a lot here from this text, and feel like I’m ready to start coding in ES6, even though this was the first book I read on the topic. It’s that good.
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