summaryrefslogtreecommitdiffstats
path: root/dom/tests/js/DumpTree.js
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/tests/js/DumpTree.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/tests/js/DumpTree.js')
-rw-r--r--dom/tests/js/DumpTree.js44
1 files changed, 44 insertions, 0 deletions
diff --git a/dom/tests/js/DumpTree.js b/dom/tests/js/DumpTree.js
new file mode 100644
index 000000000..d23c2b3b3
--- /dev/null
+++ b/dom/tests/js/DumpTree.js
@@ -0,0 +1,44 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+//
+// travers the html tree and dump out the type of element
+//
+function traverse(node, indent)
+{
+ dump("\n")
+ indent += " "
+ var type = node.nodeType;
+
+ // if it's an element dump the tag and recurse the children
+ if (type == Node.ELEMENT_NODE) {
+
+ dump(indent + node.tagName)
+
+ // go through the children
+ if (node.hasChildNodes()) {
+ var children = node.childNodes;
+ var length = children.length;
+ var count = 0;
+ while(count < length) {
+ child = children[count]
+ traverse(child, indent)
+ count++
+ }
+ }
+ }
+ // it's just text, no tag, dump "Text"
+ else if (type == Node.TEXT_NODE) {
+ dump(indent + "Text")
+ }
+}
+
+var node = document.documentElement
+
+traverse(node, "")
+dump("\n")
+
+ \ No newline at end of file