<!DOCTYPE HTML> <html class="reftest-wait"> <head> <meta charset="utf-8"> <title>Testcase for bug 1010538 - Anchor Link Scrolling</title> <style type="text/css"> html,body { color: black; background-color: white; font-size: 16px; padding: 0; margin: 0; } .a_box { position: relative; left: 0px; top: 0px; width: 20px; height: 20px; background: blue; } .another_box { position: relative; left: 2000px; top: 2000px; width: 20px; height: 20px; background: green; display: inline-block; } .scroll_box { width: 50px; height: 50px; overflow: scroll; will-change: scroll-position; } #scroll_1 { scroll-behavior: auto; } #scroll_3 { scroll-behavior: smooth; } </style> </head> <body> <div id="scroll_1" class="scroll_box"> <div id="box1a" class="a_box"></div> <a name="test_anchor_1" id="box1b" class="another_box"></a> </div> <div id="scroll_2" class="scroll_box"> <div id="box2a" class="a_box"></div> <a name="test_anchor_2" id="box2b" class="another_box"></a> </div> <div id="scroll_3" class="scroll_box"> <div id="box3a" class="a_box"></div> <a name="test_anchor_3" id="box3b" class="another_box"></a> </div> <script> function doTest() { if (document.location.search != '?ref') { // Scroll_1 to Scroll_2 are expected to scroll instantly window.location.hash = "test_anchor_1"; window.location.hash = "test_anchor_2"; // Scroll_3 is expected to scroll smoothly document.getElementById("box3b").scrollIntoView({block: "end", behavior: "smooth"}); // Interrupt any smooth scrolling for (var i=1; i <= 3; i++) { document.getElementById("scroll_" + i).scrollLeft = document.getElementById("scroll_" + i).scrollLeft; document.getElementById("scroll_" + i).scrollTop = document.getElementById("scroll_" + i).scrollTop; } } else { // Scroll all boxes except for Scroll_3 for (var i=1; i <= 2; i++) { document.getElementById("box" + i + "b").scrollIntoView({block: "end", behavior: "instant"}); } } document.documentElement.removeAttribute("class"); } for (var i=1; i <= 3; i++) { document.getElementById("box" + i + "a") .scrollIntoView({block: "start", behavior: "instant"}); } window.addEventListener("MozReftestInvalidate", doTest, false); </script> </body> </html>