Curso JavaScript Essentials 2

• No existen requisitos previos para tomar este curso.
• Sin embargo, es recomendable haber obtenido la certificación JSE – Certified Entry-Level JavaScript Programmer.

Preparación para el examen de certificación:

Examen de certificación JSA – Certified Associate JavaScript Programmer

Módulo 1: Classless objects

• Creating individual objects (basic way to create object using literals)
• Object properties (adding, modifying and deleting properties, nested properties )
• Dot notation vs. bracket notation (dot notation as the primary way to refer to object fields, use of bracket notation to allow the use of multi-word and computed keys)
• Property existence test and property enumeration (test for the presence of a field in an object, using the for … in to pass the keys of an object, the Object.key method as an alternative to for … in)
• Comparing objects (the idea of object references, reference comparison vs. field comparison – deep comparison)
• Coping objects (coping references, cloning, merging – Object.assign method; spread operator and shallow cloning, deep cloning concept)
• Methods (function as an object property, define methods in the object body and add methods to existing objects, using this keyword inside of methods)
• Getters and setters (methods treated as properties – defining and using getters and setters)
• Property and object configuration (modifying attributes of objects and fields; using methods Object.defineProperty, Object.preventExtensions, Object.seal and Object.freeze)
• Different ways to create classless objects (factories, constructor function and new operator, Object.create method)
• Prototypes (prototype-based inheritance, object property __proto__, constructor function prototype property, use of setPrototypeOf method)

Módulo 2: Classes and class-based approach

• Class declaration (normal class declaration – keyword class; class body – constructor, properties, methods; class as first-class citizen – storing classes in variables and class expression)
• Creating objects from a class (creation of an object based on a class; looking for a connection between an object and a source class – instanceof operator)
• Properties (properties definition inside of class methods – constructor and regular methods; direct declaration inside of the class body)
• Getters and setters (defining and using getters and setters)
• Inheritance (class inheritance – extends keyword; shadowing methods and properties; using the super keyword in the constructor and in methods)
• Static members (the concept of static members; methods and properties associated with a class instead of an object – defining and using)
• Classes vs constructors (similarity of classes to constructors; conversion of a class into an adequate constructor function and vice versa)

Módulo 3: Built-in objects

• Number constructor (number constructor – creating Number objects from data of different types, including various string formats; converting numbers into different string formats; static properties and methods of the Number constructor, i.e. properties defining the basic ranges)
• String constructor (String constructor; string as an array of characters; case conversion methods; splitting the string; searching for and replacing substrings; padding and trimming; comparison of strings)
• Date constructor (creating Date object – constructor; time zones and local time handling; getting current time; timestamp and using it to measure the time of code execution; time specification; operating on individual date and time components)
• Array – basics (basic methods for managing an Array type collection – creating, merging, adding and removing items, passing through, slice method, splice method; use of spread operator; destructuring assignment)
• Array – advanced methods (the functional approach: find, every, some, filter, sort, map and reduce)
• Set type collection (concept of set data structure and Set object; basic methods and properties of Set objects – constructor, add, has, delete, clear, size; walking through elements – for … of, iterators; spread operator)
• Map type collection (concept of map data structure and Map object; basic methods and properties of Map objects – constructor, set, get, has, delete, clear, size; walking through elements – for … of, iterators; spread operator)
• Object as a data structure (using the object as a regular dictionary-type data structure; items management, walking through, spread operator)
• Using the JSON object (basic concept of JSON /JavaScript Object Notation/ format; converting data to JSON – JSON.stringify method; parsing JSON format and obtaining data back – JSON.parse method)
• Using the Math object (basic methods: ceil, floor, round, random, min, max, abs, pow, log, trigonometric functions)
• Using the RegExp object (basic rules for creating regular expressions; abbreviated notation of a RegExp object declaration; using methods of RegExp and String objects for efficient searching of patterns in text: test, exec, match, search, replace)
• Extending built-in types (using prototypes to extend built-in types – adding new properties and methods)

Módulo 4: Advanced function usage

• Extended function parameters handling (usage of default parameter values, rest parameter and spread operator; simulating named parameters)
• Closure and IIFE (the use of closure – execution environment of the function; Immediately Invoked Function Expression – IIFE)
• Forwarding calls (this keyword and functions; apply, call and bind methods that allow to call functions with the indicated context)
• Decorating functions (functions as first-class citizens; passing functions as arguments and returning as results, higher order functions; decorating functions as adding new functionality using a wrapper function)
• Generators and iterators (creating and using generators; the idea of iterable objects; generators as an element of iterable objects, iterators)
• Handling asynchronous events using callback functions (concept of asynchronous programming; use of callback functions to handle asynchronous events)

Documentación oficial para el curso JavaScript Essentials 2.

• Formador certificado por OpenEDG.
• Más de 5 años de experiencia profesional.
• Más de 4 años de experiencia docente.
• Profesional activo en empresas del sector IT.

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