Line 2: | Line 2: | ||
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"> | <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"> | ||
+ | |||
+ | <script> | ||
+ | // When the user scrolls down 20px from the top of the document, show the button | ||
+ | window.onscroll = function() {scrollFunction()}; | ||
+ | |||
+ | function scrollFunction() { | ||
+ | if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) { | ||
+ | document.getElementById("myBtn").style.display = "block"; | ||
+ | } else { | ||
+ | document.getElementById("myBtn").style.display = "none"; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | // When the user clicks on the button, scroll to the top of the document | ||
+ | function topFunction() { | ||
+ | document.body.scrollTop = 0; // For Chrome, Safari and Opera | ||
+ | document.documentElement.scrollTop = 0; // For IE and Firefox | ||
+ | } | ||
+ | </script> | ||
Line 61: | Line 80: | ||
color: #38a541; | color: #38a541; | ||
text-decoration:underline; | text-decoration:underline; | ||
+ | } | ||
+ | |||
+ | #myBtn { | ||
+ | display: none; /* Hidden by default */ | ||
+ | position: fixed; /* Fixed/sticky position */ | ||
+ | bottom: 20px; /* Place the button at the bottom of the page */ | ||
+ | right: 30px; /* Place the button 30px from the right */ | ||
+ | z-index: 99; /* Make sure it does not overlap */ | ||
+ | border: none; /* Remove borders */ | ||
+ | outline: none; /* Remove outline */ | ||
+ | background-color: red; /* Set a background color */ | ||
+ | color: white; /* Text color */ | ||
+ | cursor: pointer; /* Add a mouse pointer on hover */ | ||
+ | padding: 15px; /* Some padding */ | ||
+ | border-radius: 10px; /* Rounded corners */ | ||
+ | } | ||
+ | |||
+ | #myBtn:hover { | ||
+ | background-color: #555; /* Add a dark-grey background on hover */ | ||
} | } | ||
Line 95: | Line 133: | ||
</div> | </div> | ||
− | + | <button onclick="topFunction()" id="myBtn" title="Go to top">Top</button> | |
Revision as of 05:34, 12 August 2017