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Free Certificate
JavaScript Basics from Scratch
Learn JavaScript fundamentals in this beginner-friendly course, covering variables, data types, loops, functions, and event handling. Build interactive web applications and gain the skills to create websites from scratch.
19 hours of learning
Variables
Policy Influence
Conditionals
Key Highlights of Free JavaScript Course
What You Will Learn
Variables and Datatypes
Master the basics of JavaScript by understanding how to define variables and work with different data types. This foundational knowledge will allow you to store and manipulate information within your JavaScript programs.
Topics Covered:
- Setting up the environment: Learn how to install and configure the tools necessary to start coding in JavaScript, such as setting up a text editor and browser developer tools.
- Coding in JS: Get familiar with writing and running basic JavaScript code, using syntax and structures essential for any JavaScript program.
- Logging into the Browser: Discover how to use the browser's console to test JavaScript code, log output, and debug your programs directly within the browser.
- Literals and Variables: Learn how to define and use variables in JavaScript, and understand how to assign different types of data to them, including numbers, strings, and booleans.
Conditionals & Loops
Dive deeper into how JavaScript makes decisions and performs repetitive tasks through conditionals and loops, essential for controlling the flow of your programs.
Topics Covered:
- Truthy and Falsy: Understand how JavaScript evaluates values as "truthy" or "falsy" to control flow in conditionals.
- if & if...else: Learn how to use the if statement to execute code based on certain conditions, and use else to provide alternative actions.
- if...else...if: Discover how to chain multiple conditions together, providing more complex logic within your programs.
- Ternary operator: Simplify conditional statements with the ternary operator, a shorthand for if-else logic.
- Nested if...else: Understand how to nest if-else statements within each other to create more intricate decision-making structures.
- Switch...case: Learn how to use switch statements to simplify multiple conditional checks, improving readability when dealing with numerous possible outcomes.
Arrays, Objects & Functions
Learn how to use JavaScript's powerful data structures—arrays and objects—and create reusable code with functions to handle complex data and processes in your programs.
Topics Covered:
- Arrays: Understand how to store and manipulate collections of data using arrays, a key data structure in JavaScript.
- Objects: Learn how to define and use objects to store data in key-value pairs, allowing you to represent complex data structures.
- Accessing Keys of Objects: Discover how to retrieve values from objects by accessing their keys, enabling you to work with structured data.
- Functions: Understand how to create functions to bundle code into reusable blocks, improving modularity and organization.
- Methods: Learn how to define methods (functions within objects) to perform actions on object data, making your programs more powerful and dynamic.
Free JavaScript Course with Certificate
Earn and Share Your Certificate
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Receive a signed and verifiable e-certificate from upGrad upon successfully completing the course.
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