Create README.md

Author: SuRu190

task16-click-to-show-info/README.md

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+# Task 16 – Click to Show Info
+
+## 🎯 Objective
+Hide a message initially and reveal it when the user clicks a button.
+
+## 🧠 Concepts Practiced
+- JavaScript `addEventListener()`
+- CSS classes (`.hidden`)
+- DOM manipulation (`classList.remove()`)
+
+## ✅ What I Learned
+- How to toggle visibility of elements using CSS classes
+- How to respond to user actions with event listeners
+- How to separate style (CSS) and behavior (JavaScript) effectively
+
+## 🔁 Example Flow
+- Page loads with a hidden message
+- User clicks "Click me to Reveal!"
+- Hidden message is displayed: `🎉 Welcome, You clicked the button!`