Description
Now
is the time to get certified for JavaScript!
JavaScript
Institute JSE-40-01:
Certified Entry-Level JavaScript Programmer
There are six practice
tests with preparation questions from all knowledge areas
to prepare for the JSE-40-01 exam at the JavaScript Institute.
Every question has an
explanation and a Try-It-Yourself-Code
which you can run to
better understand the topic.
You can download
the Try-It-Yourself-Code for all questions.
(The download link
will be in your welcome message.)
Exam Syllabus
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).
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.
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.
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.
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.
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.
Who this course is for:
·
Everybody who is preparing for the JavaScript certification
JavaScript Institute JSE-40-01.
·
Everybody who is preparing for a JavaScript job interview.
·
Everybody who wants to learn more about JavaScript by questions
and their explanations.
·
Everybody who wants to test their knowledge of JavaScript.
·
Every JavaScript programmer who wants to improve their knowledge
of JavaScript.
·
Every programmer who wants to switch to JavaScript.
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