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Javascript Tutorial Development Tutorials, Guides & Insights

Unlock 12+ expert-curated javascript tutorial tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your javascript tutorial skills on DeveloperBreeze.

Comparison and Logical Operators

Tutorial December 11, 2024
javascript

  • Logical operators evaluate left to right; ensure your conditions are correct.
  • The user must be logged in (isLoggedIn is true).
  • The user's account must not be suspended (isSuspended is false).

Arithmetic Operators

Tutorial December 11, 2024
javascript

    console.log(-10 % 3); // -1
  • Create variables a and b with values 12 and 4.
  • Perform all arithmetic operations and log the results.

Non-Primitive Data Types (Objects, Arrays, and Functions)

Tutorial December 11, 2024
javascript

  let person = {
    name: "Alice",
    age: 25,
    isStudent: true,
  };
  • Accessing Properties:
  • Dot notation:

Primitive Data Types

Tutorial December 11, 2024
javascript

  • Syntax: Strings can be enclosed in single ('), double ("), or backticks (` ``).
  • Examples:
  let name = "Alice";
  let greeting = 'Hello';
  let message = `Welcome, ${name}!`; // Template literal
  console.log(message); // "Welcome, Alice!"

Variables and Constants

Tutorial December 10, 2024
javascript

  • Preferred for declaring variables that can change value.
  • Example:
     let age = 25;
     age = 26; // Allowed
     console.log(age); // 26