Pro JavaScript with MooTools: Learning Advanced JavaScript - download pdf or read online

By Mark Joseph Obcena (auth.)

ISBN-10: 1430230541

ISBN-13: 9781430230540

ISBN-10: 143023055X

ISBN-13: 9781430230557

Pro JavaScript with MooTools is in contrast to the other JavaScript e-book out there at the present time. whereas comparable books specialize in both JavaScript as a language of the browser or how you can use JavaScript frameworks, Pro JavaScript with MooTools fills the space among those themes and strikes beyond—exploring the complex beneficial properties of JavaScript and the way the MooTools framework makes use of those gains to additional increase the language itself.

The ebook itself takes a special three-pronged technique. It first walks you thru the complex positive aspects of JavaScript and the MooTools framework, together with local augmentation and kind construction, a complete dialogue of JavaScript capabilities, object-oriented programming with local JavaScript and MooTools periods, and the MooTools category internals. you are going to then examine all approximately Javascript within the DOM: the weather periods and its internals, the MooTools occasion procedure, Selector engines and MooTools Slick, Ajax and the Request item, and animation and the Fx classes.

The ultimate part particularly units the e-book except all others, because it discusses JavaScript outdoor the browsers. you are going to take an in-depth examine CommonJS and MooTools, utilizing MooTools outdoor the browser to construct ORM, developing easy CommonJS purposes through the MooTools Deck framework, and growing advanced server-side functions utilizing Raccoon.

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We won’t go into deep technical details, but we’ll focus on the most important parts we need to know in order to understand functions. Some people find parts of JavaScript arbitrary and the rules of the language seem hard to grasp at first. Learning the internals helps a lot in understanding these seemingly random rules, and as we’ll see throughout the next sections, knowing the inner workings of JavaScript actually contributes to making your code much more reliable and powerful. ■ Note The actual implementation of JavaScript interpreters is mostly creator-dependent, and therefore some details we’ll discuss in the next sections may not be true for all JavaScript interpreters.

Log(getAge()); // 'Joseph' This isn’t good, since we want the values to be correctly typed. So what can we do? If you recall, variables declared inside a function are local to the function itself and are not accessible outside, and closures provide a way for a function to retain references to the local variables of its surrounding function. age without going through the functions, it will result in a runtime error since the user object is no longer available to any other code except our getter and setter functions.

Since this scope property is associated with the function itself rather than the execution context, it persists until the function is finally destroyed— making it usable no matter how many times the function is invoked. A function created in the global context has a scope property that contains the global object, so its scope chain consists only of the global object and its own variable object. A function created inside another function has a scope object that contains all the objects inside the encapsulating function’s scope property and the encapsulating function’s variable object.

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Pro JavaScript with MooTools: Learning Advanced JavaScript Programming by Mark Joseph Obcena (auth.)


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