diff --git a/src/vdl/stringify.js b/src/vdl/stringify.js
index ed60283..42aa44b 100644
--- a/src/vdl/stringify.js
+++ b/src/vdl/stringify.js
@@ -35,7 +35,13 @@
   var seenObj = { id: seen.size };
   seen.set(val, seenObj);
 
-  if (Array.isArray(val)) {
+  // TODO(alexfandrianto): UintXArray and the other TypedArray seem to be in
+  // flux right now, with respect to their node and browser implementations.
+  // TypedArray doesn't seem to exist in 'node', but it looks like it's being
+  // added in the browser. For now, we will check if the internal buffer is an
+  // ArrayBuffer to identify TypedArray in both node and browser.
+  // https://github.com/vanadium/issues/issues/692
+  if (Array.isArray(val) || val.buffer instanceof ArrayBuffer) {
     var arrStr = '[';
     for (var ai = 0; ai < val.length; ai++) {
       if (ai > 0) {
@@ -52,7 +58,7 @@
   // Extract val's keys and values in a consistent order.
   var keys = [];
   var values = [];
-  if (val.forEach !== undefined) {
+  if (val instanceof Set || val instanceof Map) {
     // We have to make sure to print maps and sets in sorted key order.
     // While Set and Map have an iteration order equivalent to their insertion
     // order, we still want non-matching insertion orders to have matching
diff --git a/src/vom/binary-reader.js b/src/vom/binary-reader.js
index fd17058..8ee317e 100644
--- a/src/vom/binary-reader.js
+++ b/src/vom/binary-reader.js
@@ -59,7 +59,7 @@
 BinaryReader.prototype.readByteArray = function(amt) {
   var arr = this.buf.subarray(this.pos, this.pos + amt);
   this.pos += amt;
-  if (this.pos > this.buf) {
+  if (this.pos > this.buf.length) {
     return Promise.reject(
       new Error('Failed to read ' + amt + ' bytes. Hit EOF.'));
   }
diff --git a/test/vdl/test-stringify.js b/test/vdl/test-stringify.js
index b9a894b..c9df294 100644
--- a/test/vdl/test-stringify.js
+++ b/test/vdl/test-stringify.js
@@ -106,6 +106,18 @@
         repeatedObject, repeatedObject
       ],
       expected: '[{"a":5},{"a":5}]'
+    },
+    {
+      input: new Uint8Array([4, 10]),
+      expected: '[4,10]'
+    },
+    {
+      input: new Uint16Array([2560, 10]),
+      expected: '[2560,10]'
+    },
+    {
+      input: new Date(0),
+      expected: 'Wed Dec 31 1969 16:00:00 GMT-0800 (PST)'
     }
   ];
   for (var i = 0; i < tests.length; i++) {