JavaScript Operators, Arrays, and Functions Overview/Description Target Audience Prerequisites Expected Duration Lesson Objectives Course Number Expertise Level Overview/Description
Operators, arrays, and functions are the building blocks of JavaScript. In this course, you will learn about these features and get a deeper insight into how they can be used to create JavaScript apps.
Target Audience
Software developers familiar with JavaScript who want a refresher or to get a deeper understanding of JavaScript operators, arrays, functions, objects, and event handlers
Prerequisites
None
Expected Duration (hours)
1.7
Lesson Objectives JavaScript Operators, Arrays, and Functions
start the course
use the assignment and arithmetic operators to manipulate numeric data
work with comma and string operators and recall how to concatenate strings and numbers
describe when to use comparison operators and the difference between the equality and identity operators
work with logical operators and describe how short-circuit evaluation can affect code
write more concise JavaScript code by using shorthand assignment operators
use various methods of array creation in JavaScript
manipulate arrays by adding and removing items
slice, splice, copy, and merge arrays
use various methods for iterating JS arrays
sort and reverse an array and use map to run functions against the array contents
describe function definitions and parameters, and understand how to return values from functions
specify the difference between function declarations and function expressions
recall how global and function scope work within JavaScript
define what happens in the compile phase of JavaScript programs
create and use closures in JavaScript and understand how to use Immediately Invoked Function Expressions (IIFEs)
create and use a closure in JavaScript
Course Number: os_dojs_a01_dt_enus
Expertise Level
Intermediate