|
|
| Line 175: |
Line 175: |
| | <body> | | <body> |
| | | | |
| − | <button onclick="topFunction()" id="myBtn" title="Go to top">Top</button>
| + | |
| | | | |
| | <!--List | | <!--List |
| Line 373: |
Line 373: |
| | <br> | | <br> |
| | | | |
| − | <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 Safari
| |
| − | document.documentElement.scrollTop = 0; // For Chrome, Firefox, IE and Opera
| |
| − | }</script>
| |
| | | | |
| | | | |
| | </body> | | </body> |
| | </html> | | </html> |
