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Setting Overflow Y Hidden Causes The Page To Jump To The Top In Firefox

Have you ever experienced your webpage jumping to the top unexpectedly while trying to set overflow-y to hidden in Firefox? This common issue can be frustrating but fear not, as we have some solutions for you.

When you set overflow-y to hidden in CSS, you want to control the vertical overflow behavior of an element. However, in Firefox, this action sometimes triggers the page to jump to the top, disrupting the user experience. This issue occurs because of how Firefox handles the rendering of elements with hidden overflow and the browser's scroll restoration behavior.

To prevent this page jump glitch in Firefox, you can try out the following solutions:

### 1. Use `scroll-behavior: auto;` for the Affected Element:
Adding `scroll-behavior: auto;` to the CSS styling of the container where you set overflow-y to hidden can help mitigate the page jumping problem. This property allows you to specify the scrolling behavior of the element, and setting it to `auto` can prevent the abrupt page scroll to the top.

Css

.your-container {
    overflow-y: hidden;
    scroll-behavior: auto;
}

### 2. Adjust the ScrollPosition on Element Focus:
You can also use JavaScript to maintain the scroll position of the element when it receives focus. By capturing the scroll position before the element is focused, you can reset it after the focus event, preventing the unwanted page jump.

Javascript

const yourElement = document.getElementById('your-element');
let scrollPosition;

yourElement.addEventListener('focus', () => {
    scrollPosition = window.scrollY;
});

yourElement.addEventListener('blur', () => {
    window.scrollTo(0, scrollPosition);
});

### 3. Utilize Smooth Scrolling for Improved User Experience:
Implementing smooth scrolling behavior for your webpage can provide a more polished interaction for users. You can achieve this by utilizing the `scroll-behavior` property along with specifying a scroll duration, creating a smoother scrolling experience without sudden jumps.

Css

html {
    scroll-behavior: smooth;
}

/* Optionally, you can set the scroll duration */
/* html {
    scroll-behavior: smooth;
    scroll-behavior: 500ms; // Adjust the duration as needed
} */

By applying these solutions, you can effectively tackle the issue of the page jumping to the top when setting overflow-y to hidden in Firefox, enhancing the user experience on your website or web application. Experiment with these methods and find the one that works best for your specific case. Happy coding!

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