1 files changed, 10 insertions, 0 deletions
diff --git a/src/selector/testContext.js b/src/selector/testContext.js
new file mode 100644
index 000000000..a54351e64
--- /dev/null
+++ b/src/selector/testContext.js
@@ -0,0 +1,10 @@
+/**
+ * Checks a node for validity as a jQuery selector context
+ * @param {Element|Object=} context
+ * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
+ */
+function testContext( context ) {
+	return context && typeof context.getElementsByTagName !== "undefined" && context;
+}
+
+export default testContext;