JSE™ – Certified Entry-Level JavaScript Programmer (Exam JSE-40-0x) – EXAM SYLLABUS

Objectives covered by the block (3 exam items)

JSE-40-01 1.1 – Understand fundamental terms and definitions

• interpreting and the interpreter
• compilation and the compiler
• client-side vs. server-side programming

JSE-40-01 1.2 – Set up the programming environment

• basic development tools
• online vs. local development environment (code editor, interpreter, debugger)

JSE-40-01 – 1.3 Explain client-side execution of JavaScript code

• HTML fundamentals
• embedding JavaScript code
• executing code directly in the console

Objectives covered by the block (6 exam items)

JSE-40-01 2.1 – Use variables effectively

• naming, declaring and initializing variables
• changing values assigned to variables
• constants
• scope (blocks, shadowing, hoisting)

JSE-40-01 2.2 – Define, identify, and use primitive data types in code: boolean, number, bigint, undefined, null

• the number range and its formats
• the bigint range
• boolean values
• empty and unknown values (null or undefined)

JSE-40-01 2.3 – Define, identify, and use primitive data types in code: string

• string literals – single and double quotes
• the escape character
• string interpolation
• basic properties and methods: length, charAt, slice, split

JSE-40-01 2.4 – Perform type-casting operations

• primitive construction functions: String, Number, BigInt, Boolean
• primitive conversions
• implicit conversions

JSE-40-01 2.5 – Define, identify, and use complex data types in code: Object

• object as a record
• object literals
• getting and setting properties

JSE-40-01 2.6 – Define, identify, and use complex data types in code: Array

• array as an example of a complex data type
• basic properties and methods of arrays: length, indexOf, push, unshift, pop, shift, reverse, slice, concat

Objectives covered by the block (5 exam items)

JSE-40-01 3.1 – Recognize and proficiently utilize assignment, arithmetic, and string operators

• definition of operators
• assignment operators
• arithmetic operators
• compound assignment operators

JSE-40-01 3.2 – Identify and proficiently use logical and comparison operators

• logical operators
• compound assignment operators
• comparison operators

JSE-40-01 3.3 – Recognize and effectively use the ternary and other JavaScript operators

• ternary (conditional) operator
• other operators: typeof, instanceof, and delete

JSE-40-01 3.4 – Understand and implement operator precedence

• precedence and associativity of basic operators
• using brackets to force a specific order of operations (grouping)

JSE-40-01 3.5 – Implement the mechanism for interacting with the user

• dialog boxes: alert, confirm, prompt
• actions based on user decisions

Objectives covered by the block (6 exam items)

JSE-40-01 4.1 – Implement the decision-making mechanism and organize the control flow with the if instruction

• conditional statements: if, if-else
• multiple conditional statements
• nesting conditional statements

JSE-40-01 4.2 – Implement the decision-making mechanism and organize the control flow with the switch instruction

• conditional statement: switch-case

JSE-40-01 4.3 – Implement the decision-making mechanism and organize the control flow with the do-while and while loops, and the break and continue instructions

• repeating a code fragment in a loop
• iterations
• conditions that (don’t) depend on the number of iterations
• basic statements related to loops: while, do … while, break, case

JSE-40-01 4.4 – Implement the decision-making mechanism and organize the control flow with the for statement

• repeating a code fragment using the for statement

JSE-40-01 4.5 – Implement the decision-making mechanism and organize the control flow with the for-in statement

• using the for ... in statement for enumerating object keys

JSE-40-01 4.6 – Implement the decision-making mechanism and organize the control flow with the for-of statement

• using the for ... of statement for traversing arrays

Objectives covered by the block (6 exam items)

JSE-40-01 5.1 – Organize and decompose the code using functions

• declaring, calling, and passing arguments
• returning function results

JSE-40-01 5.2 – Organize and implement interactions between the function and its environment

• parameters
• local variables
• shadowing

JSE-40-01 5.3 – Apply function expressions and functions as first-class members in code

• storing a function in a variable
• passing a function as a parameter
• named and anonymous function expressions

JSE-40-01 5.4 – Understand and implement the concept of recursion

• using recursion to solve simple computational problems

JSE-40-01 5.5 – Explain and implement callback functions

• synchronous callbacks
• asynchronous callbacks
• setTimeout, setInterval

JSE-40-01 5.6 – Explain and implement arrow functions

• notation of function expressions in the arrow form
• passing arguments
• shortened form for a function body with one statement

Objectives covered by the block (4 exam items)

JSE-40-01 6.1 – Classify and distinguish between different programming errors

• error classification: syntax, semantics, and logical errors
• runtime errors

JSE-40-01 6.2 – Compare and contrast different JavaScript errors and exceptions

• basic types of JavaScript errors: Syntax Error, ReferenceError, TypeError, RangeError

JSE-40-01 6.3 – Understand, examine, and design an exception-handling mechanism in JavaScript

• handling: try ... catch ... finally
• throwing custom exceptions: throw

JSE-40-01 6.4 – Use different debugging and troubleshooting techniques

• step-by-step execution
• viewing and modifying variables
• measuring code execution time