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Acerca del curso
La certificación JSA – Certified Associate JavaScript Programmer, de nivel intermedio, es una credencial profesional que demuestra la competencia de los profesionales en el análisis, el diseño y la programación orientado a objetos (OOA/OOD/OOP), así como el uso más avanzado de funciones en el lenguaje JavaScript.
El profesional certificado comprenderá el enfoque de programación orientada a objetos de JavaScript. Adquirirá la experiencia en el uso avanzado de objetos integrados, incluidos tipos de datos simples y sus constructores, tipos de datos compuestos y algunos de los objetos más útiles (JSON, Math, RegExp, extended built-in types). Será competente en el uso funciones avanzadas en JavaScript, como recursion, reenvío de llamadas, decoradores, programación funcional, generadores, iteradores y programación asíncrona, incluidas funciones de callback y promesas. Sabrá cómo adoptar las mejores prácticas, técnicas y convenciones de programación en los programas de JavaScript. Desarrollará un pensamiento algorítmico. Será capaz de analizar y modelar problemas utilizando un aparato conceptual objetivo. Comprenderá el rol y el trabajo de un programador en el proceso de desarrollo de software y sabrá cómo utilizar las herramientas de desarrollo más fundamentales.
Obtener esta certificación garantizará que el profesional está familiarizado con los medios esenciales proporcionados por el lenguaje JavaScript. Le permitirá diseñar, desarrollar, implementar, refactorizar y mantener programas y aplicaciones JavaScript, analizar y modelar problemas de la vida real en las categorías de programación orientada a objetos, crear y desarrollar su propia cartera de programación, comenzar sus propios estudios a nivel profesional y continuar su desarrollo profesional posterior.
Certificación JSA – Certified Associate JavaScript Programmer
Obtener la certificación JSA – Certified Associate JavaScript Programmer
- No existen requisitos previos para tomar este examen de certificación.
- Sin embargo, es recomendable haber obtenido la certificación JSE – Certified Entry-Level JavaScript Programmer y haber completado el curso JavaScript Essentials 2.
Sección 1: Object-Oriented Programming – Objects
- be able to create objects using a variety of techniques, including literals, constructors and factories;
- be able to refer to object fields, including nested ones, with both dot notation and bracket notation;
- be able to alter objects as required, including by adding, deleting, and modifying properties and methods;
- know how to verify the presence of object fields, enumerate them, and influence the configuration of an object and individual fields (e.g. by blocking the possibility to modify them)
- understand that objects are stored in variables as references and know how this affects manipulating them in practice (e.g. when comparing objects)
- know what the context of a method call is and be able to use the keyword this in practice;
- understand what an object prototype is, what inheritance using a chain of prototypes is and how it can be used, for example, to modify the properties of a group of related objects.
Sección 2: Object-Oriented Programming – Classes
- be able to declare classes, including using the class expression technique, and create objects using them;
- be able to define properties both from the class methods and directly in the class body;
- understand the idea of class inheritance and be able to use it in practice;
- be able to create and use static methods and properties of classes;
- be able to define getters and setters in classes.
Sección 3: Object-Oriented Programming – Built-in Objects
- be familiar with the basic set of built-in objects of the JS language;
- understand the difference between primitive types and their corresponding wrapper objects, know the basic properties and methods of these objects, and be able to use autoboxing in practice;
- be able to handle Array data to an advanced degree, using such methods as filtering, sorting, reducing, mapping, searching, merging, etc.
- be able to use the destructuring assignment and spread operator in their work with arrays;
- know in which situations objects of the Map and Set types can be used for data storage as an alternative to Array and Object, declare them, and manipulate their elements;
- understand the JSON format and be able to convert objects and arrays to and from this format;
- be able to use the methods provided by the built-in Math object to perform basic mathematical calculations;
- be able to take advantage of basic regular expressions (using the RegExp type) to parse character strings;
- be able to extend the built-in JS types with new properties and methods.
Sección 4: Advanced Functions
- know and be able to use in practice such mechanisms related to functions as: Extended Parameter Handling (default parameter values, rest parameter, spread operator), Recursion (closure, first-class functions), Forwarding calls (apply, call, bind), Decorating functions (wrappers, higher order functions)
- understand the concept of lazy evaluation, and be able to use generators and iterators in practice;
- clearly understand when asynchronous programming techniques should be used;
- know how to use callback functions in practice to solve problems that require asynchronous operations;
- understand the Promise mechanism and be able to use it as an alternative to callback functions;
- understand the operation of the async function in conjunction with the await keyword and be able to use it to handle promises.
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Acerca del curso
La certificación JSE – Certified Entry-Level JavaScript Programmer, de nivel básico, es una credencial profesional que demuestra la comprensión de los profesionales de la sintaxis y la semántica básicas del lenguaje JavaScript, así como su competencia en el uso de los elementos, herramientas y recursos más esenciales del lenguaje para diseñar, desarrollar y refactorizar programas JavaScript simples.
El profesional certificado conocerá la sintaxis del lenguaje JavaScript a un nivel que le permite trabajar con variables, operadores, mecanismos de flujo de control y funciones, así como comprender los fundamentos del sistema de tipo de datos de JavaScript, el manejo de excepciones, la solución de problemas, la depuración y el entorno de tiempo de ejecución. Aprenderá los conceptos universales de la programación informática, el trabajo y el rol de un programador en el desarrollo de software. Sabrá cómo aplicar las mejores prácticas y convenciones de codificación. Desarrollará un pensamiento algorítmico y será capaz de analizar un problema utilizando un aparato conceptual programático.
Obtener esta certificación garantizará que el profesional está familiarizado con los medios más esenciales proporcionados por el lenguaje de JavaScript. Le permitirá comenzar sus propios estudios en un nivel intermedio y continuar su desarrollo profesional.
Certificación JSE – Certified Entry-Level JavaScript Programmer
Obtener la certificación JSE – Certified Entry-Level JavaScript Programmer
- No existen requisitos previos para tomar este examen de certificación.
- Sin embargo, es recomendable haber realizado el curso JavaScript Essentials 1.
Sección 1: Introduction to JavaScript and Computer Programming
- understand the fundamental programming concepts, such as: interpreting and the interpreter, compilation and the compiler, client-side vs. server-side programming;
- have a basic knowledge of how to set up and use a basic programming environment (online or local)
- gain skills allowing them to run their first JavaScript program on the client side (both as an element embedded in the HTML page and directly in the browser console).
Sección 2: Variables, Data Types, and Type Casting
- have the knowledge and skills to work with variables, i.e. naming, declaring, initializing and modifying their values;
- understand concepts such as scope, code blocks, shadowing, hoisting;
- know the basic properties of primitive data types such as boolean, number, bigint, undefined, null, and be able to use them;
- be familiar with the basic properties of the primitive data type string, including string literals – single or double quotes, escape character, string interpolation, basic properties and methods;
- know the basic properties of complex data types such as Array and Object (treated as a record) and be able to use them in practice.
Sección 3: Operators and User Interaction
- know what operators are and how we classify them (by type of operands, by number of operands, etc.)
- be able to use assignment, arithmetic, logical, and comparison operators in practice;
- have an understanding of the operation of the conditional operator and the typeof, instanceof, and delete operators;
- understand what the precedence and associativity of basic operators are and be able to influence it by means of bracket grouping;
- be able to perform basic two-way communication with the program user using the alert, confirm, and prompt dialog boxes.
Sección 4: Control Flow – Conditional Execution and Loops
- be able to force conditional execution of a group of statements (make decisions and branch the flow) using if-else and switch commands;
- be able to force a group of statements to repeat in a loop using the for, while, and do-while commands, using both dependent and independent conditions on the number of iterations;
- understand and be able to use loop-specific break and continue instructions;
- be able to use the for-in statement to iterate over properties of an object;
- be able to use the for-of statement to walk through the elements of an array.
Sección 5: Functions
- be able to declare and call functions;
- know how to pass call arguments to a function and return the result of its operation from it;
- understand the concept of a local variable and the effect of shadowing variables with the same names within a function;
- know that a function in JS is a first-class member and be able to take advantage of this by declaring functions using function expression and passing functions as arguments to calls of other functions;
- understand the concept of recursion in the context of functions and be able to solve simple programming problems by using it;
- have a basic understanding of the callback function and be able to use it asynchronously in conjunction with the setTimeout and setInterval methods;
- have a clear understanding of arrow function notation and be able to write functions alternatively as a regular declaration, a function expression, and an arrow function.
Sección 6: Errors, exceptions, debugging, and troubleshooting
- understand the differences between syntactic, semantic, and logical errors;
- understand the concept of an exception and distinguish between the basic exceptions generated by JS when an error occurs: SyntaxError, ReferenceError, TypeError, RangeError;
- have the ability to handle exceptions using the try-catch-finally statement;
- be able to generate their own exceptions using the throw statement;
- have the skills to use the debugger for basic analysis of their own code, including: step-by-step execution, viewing and modifying variables, and measuring code execution time.