Kutengeneza: Kusikitisha menu ya nawigesheni kwenye kusikia
Jifunze kuhakikisha kusikitisha nawigesheni kwenye kusikia kwa CSS na JavaScript.
Kutupia nawigesheni kwenye kusikia
Tengeneza - Iweze kusaidia HTML:
Tengeneza nawigesheni:
<div id="navbar"> <a href="#default" id="logo">CompanyLogo</a> <div id="navbar-right"> <a class="active" href="#home">Home</a> <a href="#contact">Contact</a> <a href="#about">About</a> </div> </div>
Tengeneza - Iweze kusaidia CSS:
Mwongoza stili ya nawigesheni:
/* Kuzingatia navibeshi ya kusikitisha/kitabiriwa */ #navbar { overflow: hidden; background-color: #f1f1f1; padding: 90px 10px; /* Vipimo vya kimaumizi kubwa, inakutisha kwenye kusikia (kwa JS) */ transition: 0.4s; /* Hifadhi muundo wa muda 0.4s wakati wa kumfupifia kimaumizi */ position: fixed; /* Navibeshi ya kusikitisha/kitabiriwa */ width: 100%; top: 0; /* Kwenye juu */ z-index: 99; } /* Mwongoza stili ya viungo vya nawigesheni */ #navbar a { float: left; color: black; text-align: center; padding: 12px; text-decoration: none; font-size: 18px; line-height: 25px; border-radius: 4px; } /* Mwongoza logo ya stili */ #navbar #logo { font-size: 35px; font-weight: bold; transition: 0.4s; } /* Set the style for the link when the mouse hovers over it */ #navbar a:hover { background-color: #ddd; color: black; } /* Set the style for the active/current link */ #navbar a.active { background-color: dodgerblue; color: white; } /* Display some links on the right */ #navbar-right { float: right; } /* Add responsiveness - on screens narrower than 580 pixels, the navigation bar is displayed vertically instead of horizontally */ @media screen and (max-width: 580px) { #navbar { padding: 20px 10px !important; /* Use !important to ensure JavaScript does not override padding on small screens */ } #navbar a { float: none; display: block; text-align: left; } #navbar-right { float: none; } }
Third step - Add JavaScript:
// When the user scrolls down 80 pixels from the top of the document, adjust the navigation bar's padding and the logo's font size window.onscroll = function() {scrollFunction()}; function scrollFunction() { if (document.body.scrollTop > 80 || document.documentElement.scrollTop > 80) { document.getElementById("navbar").style.padding = "30px 10px"; document.getElementById("logo").style.fontSize = "25px"; } document.getElementById("navbar").style.padding = "80px 10px"; document.getElementById("logo").style.fontSize = "35px"; } }