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Javascript Basics Development Tutorials, Guides & Insights

Unlock 4+ expert-curated javascript basics tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your javascript basics skills on DeveloperBreeze.

Arithmetic Operators

Tutorial December 11, 2024
javascript

   const PI = 3.1416;
   let radius = 5;
   let area = PI * radius ** 2;
   console.log("Area:", area); // Area: 78.54
   let number = 7;
   if (number % 2 === 0) {
     console.log(number + " is even.");
   } else {
     console.log(number + " is odd."); // Outputs: 7 is odd.
   }

Hello World and Comments

Tutorial December 10, 2024
javascript

     // This is a single-line comment
     console.log("Hello, World!"); // Outputting to the console
  • Enclosed within /<em> </em>/.
  • Example:

Easy JavaScript Tutorial for Beginners

Tutorial September 18, 2024
javascript

<button id="alertButton">Click Me</button>

<script>
document.getElementById('alertButton').addEventListener('click', function() {
    alert('Button clicked!');
});
</script>

Congratulations! You now have a basic understanding of JavaScript. You’ve learned how to declare variables, use operators, write conditional statements, loops, and functions, interact with the DOM, and handle events. JavaScript is a powerful language that allows you to create interactive web pages and dynamic user experiences.

JavaScript Tutorial for Absolute Beginners

Tutorial September 02, 2024
javascript

Conditional statements allow you to perform different actions based on different conditions.

let score = 85;

if (score >= 90) {
  console.log("A");
} else if (score >= 80) {
  console.log("B");
} else if (score >= 70) {
  console.log("C");
} else {
  console.log("D");
}