How to check if an element is visible in the viewport using JavaScript and React Hook.

In web development, it's common to determine if an element is currently visible within the viewport, especially when implementing features like lazy loading, animations triggered by scrolling, or analytics tracking. Fortunately, JavaScript provides methods to accomplish it efficiently. Below, we'll explore two approaches to achieve this.

Method 1: Using getBoundingClientRect()

The size of an element and its position relative to the viewport are returned by the getBoundingClientRect() method. We can leverage this to check if an element is within the …

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