{ "item_title" : "JavaScript", "item_author" : [" Charlie Masterson "], "item_description" : " Have you learned the basics of JavaScript computer programming and want to take your knowledge further? Has your appetite been whetted and you want to see how far you can go? Or are you looking for more to get your teeth into? If you answered yes to any of these questions, then look no further - this book is for youFor a limited time only, get to own this Amazon top seller for just $13.38Regularly priced at $20.99. In this Definitive JavaScript Advanced Level Guide, you're about to discover... Advanced programming concepts such as: . Functions Passed as Arguments - A bit more in-depth help in functions and when they should be passed as arguments Nested Functions - What they are and how to use a nested function Variable Scope - It's one thing to use variables but do you truly understand their scope? Optional Function Arguments - Learn what these are and how they should be used Truthy and Falsy - Learn all about these values and how to use them Default Operators - Back to basics (almost ) - what are these and when should they be used? ... And much, much more Other Benefits of owning this book: Error Handling - Learn what to do when errors are thrown up Observing and Capturing Events - Learn about JavaScript events and what they do Gain more Advanced knowledge about the capabilities of the JavaScript programming language Learn the Advanced essentials of JavaScript in order to gain the confidence to tackle more complex topics Gain the critical steps in your path towards JavaScript programming mastery. By implementing the lessons in this book, not only would you learn one of today's popular computer languages and give you a good head start on learning how to improve your JavaScript program writing, but it will also serve as your guide in accomplishing your JavaScript goals - whether as a fun hobby or as a starting point into a successful and long term programming career. Take action today and download this book for a limited time discount of only $13.38Scroll to the top of the page and select the Buy now button.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/54/305/501/154305501X_b.jpg", "price_data" : { "retail_price" : "13.38", "online_price" : "13.38", "our_price" : "13.38", "club_price" : "13.38", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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