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how to make nav bar menu to show on scrolling upward and disappear on scrolling downward
To make a nav bar menu show on scrolling upward and disappear on scrolling downward, you can use JavaScript and CSS.
First, you need to add an event listener to detect when the user scrolls on the page. You can use the window.addEventListener function for this:
js Copy code
window.addEventListener('scroll', function() {
// code to be executed when user scrolls
});
Inside the function, you can check the window.scrollY property to see how far the user has scrolled from the top of the page. If the user has scrolled up (i.e. window.scrollY is less than the previous scroll position), you can add a CSS class to show the nav bar. If the user has scrolled down, you can remove the CSS class to hide the nav bar.
Here's an example of how you can achieve this:
js Copy code
// keep track of previous scroll position
let prevScrollPos = window.pageYOffset;
window.addEventListener('scroll', function() {
// current scroll position
const currentScrollPos = window.pageYOffset;
if (prevScrollPos > currentScrollPos) {
// user has scrolled up
document.querySelector('.navbar').classList.add('show');
} else {
// user has scrolled down
document.querySelector('.navbar').classList.remove('show');
}
// update previous scroll position
prevScrollPos = currentScrollPos;
});
In the example above, we add a .show class to the .navbar element when the user scrolls up, and remove it when the user scrolls down. You can define the .show class in your CSS to style the nav bar however you want.
Note that this is just one way to achieve this effect, and there are many other ways to do it depending on your specific needs.
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Not likely. AI can automate tasks and make developers' jobs more efficient but it can't fully replace the human ability to deal with complex software. And AI will still require human developers to supervise and improve it further.
So developers may see their tasks change but they won't be replaced by AI. 👩💻🤝💻