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Stick Div To Top Of Parent Element

Have you ever been working on a website and wanted to make a particular section, like a navigation bar, stay fixed at the top of the screen as users scroll down the page? Well, the good news is you can achieve this effect easily by "sticking" a `div` element to the top of its parent element using CSS and a bit of JavaScript.

To implement this feature, you first need to create a `div` element that you want to stick to the top of its parent. Let's call this element the "sticky div." Next, you'll need to add some CSS to make the `div` stay fixed at the top of the parent element.

Here's a basic example of how you can achieve this effect:

Css

.sticky {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
}

In the above CSS code, we are using the `position: -webkit-sticky;` and `position: sticky;` properties to make the `div` element stick to the top of its parent. The `top: 0;` property ensures that the `div` stays at the top of the parent element.

Now, let's add the corresponding HTML structure for this example:

Html

<div class="parent">
  <div class="sticky">
    This is the sticky content.
  </div>
  <div class="content">
    This is the main content.
  </div>
</div>

In the HTML code above, we have a parent `div` element that contains two child `div` elements: one for the sticky content and the other for the main content.

To ensure the sticky `div` stays at the top of the parent element even when the user scrolls down the page, we need to add some JavaScript to handle this behavior.

Here's a simple example of how you can achieve this using vanilla JavaScript:

Javascript

window.onscroll = function() {
  var stickyDiv = document.querySelector('.sticky');
  var parentDiv = document.querySelector('.parent');
  
  if (window.pageYOffset &gt; parentDiv.offsetTop) {
    stickyDiv.classList.add('fixed');
  } else {
    stickyDiv.classList.remove('fixed');
  }
};

In the JavaScript code above, we are using the `onscroll` event to check the scroll position of the page. If the scroll position is greater than the offset top of the parent `div`, we add a CSS class called `fixed` to the sticky `div`. This class will ensure that the `div` element stays fixed at the top of its parent element as the user scrolls down.

By combining these CSS and JavaScript techniques, you can easily create a sticky `div` element that stays at the top of its parent as users scroll through your website. Try experimenting with different styles and effects to customize this feature to suit your website's design and layout. Happy coding!

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