JavaScript: 20 Lessons to Successful Web Development - download pdf or read online

By Robin Nixon

ISBN-10: 007184158X

ISBN-13: 9780071841580

Master JavaScript in 20 lessons--online video tutorials included!

Based at the author's winning on-line classes, this whole, built-in studying device offers easy-to-follow classes that function transparent motives, pattern code and workouts, and video tutorials. each one lesson is designed to take you lower than an hour to complete.

JavaScript: 20 classes to profitable net Development covers the fundamentals, together with variables, operators, arrays, gadgets, and values. subsequent, you will the best way to use conditional statements, paintings with multidimensional arrays, manage items, deal with mistakes, deal with cookies, use Ajax, and lots more and plenty extra. jointly, the e-book and virtually 5 hours of video education make studying JavaScript more straightforward than ever!

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Extra info for JavaScript: 20 Lessons to Successful Web Development

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With which operator do you add two values together? ŠŠŠWith which operator do you concatenate two objects into a string? ŠŠŠHow can you incorporate the same quotation mark within a string that encloses it? ŠŠŠHow can you change a string to a number? ŠŠŠWhat does NaN stand for? com/nixonjavascript/. In the previous lesson, you saw a few examples of operators in action, such as the + sign used either for addition or for concatenating strings together, the - sign used for subtraction, and the = operator used for assigning values.

All About Objects The JavaScript language is based on objects that are associative arrays. height) or with square brackets (for example, object[艂height艂]). Object properties can be enumerated using for(舰 in 舰) loops. In JavaScript, functions are themselves objects, so they have properties such as length and methods such as call(). This means they may also be assigned to variables, passed as arguments, and returned by other functions. Functions are referenced by naming them without parentheses (for example, a = funcname) orŠinvoked by adding the parentheses (for example, a = funcname()).

Even if you have never programmed before, you will still learn everything you need from this book, because the principles behind how programming works are fully explained, and no prior knowledge is ever assumed. Between the lessons, the self-test questions, and the videos, this book will ensure that you learn the language thoroughly and quickly. com. What This Book Covers This book covers every aspect of JavaScript, starting with basic syntax and language rules, such as where and how you can include JavaScript in your web documents.

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JavaScript: 20 Lessons to Successful Web Development by Robin Nixon

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