From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- .../tests/mathml/support/box-navigation.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 testing/web-platform/tests/mathml/support/box-navigation.js (limited to 'testing/web-platform/tests/mathml/support/box-navigation.js') diff --git a/testing/web-platform/tests/mathml/support/box-navigation.js b/testing/web-platform/tests/mathml/support/box-navigation.js new file mode 100644 index 0000000000..f4897cfe99 --- /dev/null +++ b/testing/web-platform/tests/mathml/support/box-navigation.js @@ -0,0 +1,29 @@ +function IsInFlow(element) { + var style = window.getComputedStyle(element); + return style.getPropertyValue("display") !== "none" && + style.getPropertyValue("position") !== "absolute" && + style.getPropertyValue("position") !== "fixed"; +} + +function firstInFlowChild(element) { + var child = element.firstElementChild; + if (!child || IsInFlow(child)) + return child; + return nextInFlowSibling(child); +} + +function nextInFlowSibling(element) { + var child = element; + do { + child = child.nextElementSibling; + } while (child && !IsInFlow(child)); + return child; +} + +function previousInFlowSibling(element) { + var child = element; + do { + child = child.previousElementSibling; + } while (child && !IsInFlow(child)); + return child; +} -- cgit v1.2.3