I am currently developing an angular-based website and I am looking to implement a top navigation bar similar to the one on
My goal is to have the navigation bar's width reduce when scrolling down the page. I have tried using ng-bootstrap and material design, but so far I have not been successful in achieving this effect.
Does anyone know how I can make the top navigation bar more flexible, like the one found on , where it adjusts as you scroll through the page?
To achieve this effect, I utilize jQuery to dynamically add a class when the window has been scrolled a certain distance.
Here is the JavaScript code that adds the 'scrolled' class after scrolling 100px and removes it if less than 100:
$(window).scroll(function() {
if ($(window).scrollTop() > 100) {
$('.menu').addClass('scrolled')
} else {
$('.menu').removeClass('scrolled')
}
});
You can then style the behavior using CSS:
.menu {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100px;
background-color: red;
transition: height 500ms;
}
.menu.scrolled {
height: 50px;
}
If you want to see it in action, check out this Fiddle.
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