diff --git a/lib/js/Gruntfile.js b/lib/js/Gruntfile.js
index 32c8834..ae3783b 100644
--- a/lib/js/Gruntfile.js
+++ b/lib/js/Gruntfile.js
@@ -41,7 +41,7 @@
         command: 'mkdir test/build; mkdir test/build/js; cp src/thrift.js test/build/js/thrift.js'
       },
       InstallThriftNodeJSDep: {
-        command: 'cd ../nodejs; npm install'
+        command: 'cd ../..; npm install'
       },
       ThriftGen: {
         command: 'thrift -gen js -gen js:node -o test ../../test/ThriftTest.thrift'
@@ -61,7 +61,7 @@
           },
           nodeSpawnOptions: {
                               cwd: "test",
-                              env: {NODE_PATH: "../../nodejs/lib:../../nodejs/node_modules"}
+                              env: {NODE_PATH: "../../nodejs/lib:../../../node_modules"}
                             }
         },
         cmd: "node",
@@ -74,7 +74,7 @@
           },
           nodeSpawnOptions: {
                               cwd: "test",
-                              env: {NODE_PATH: "../../nodejs/lib:../../nodejs/node_modules"}
+                              env: {NODE_PATH: "../../nodejs/lib:../../../node_modules"}
                             }
         },
         cmd: "node",
diff --git a/lib/js/src/thrift.js b/lib/js/src/thrift.js
index 9bd1198..664171e 100644
--- a/lib/js/src/thrift.js
+++ b/lib/js/src/thrift.js
@@ -1006,8 +1006,19 @@
     },
 
     /** Serializes a string */
-    writeBinary: function(str) {
-        this.writeString(str);
+    writeBinary: function(binary) {
+        var str = '';
+        if (typeof binary == 'string') {
+            str = binary;
+        } else if (binary instanceof Uint8Array) {
+            var arr = binary;
+            for (var i = 0; i < arr.length; ++i) {
+                str += String.fromCharCode(arr[i]);
+            }
+        } else {
+            throw new TypeError('writeBinary only accepts String or Uint8Array.');
+        }
+        this.tstack.push('"' + btoa(str) + '"');
     },
 
     /**
@@ -1309,7 +1320,9 @@
     /** Returns the an object with a value property set to the 
         next value found in the protocol buffer */
     readBinary: function() {
-        return this.readString();
+        var r = this.readI32();
+        r.value = atob(r.value);
+        return r;
     },
 
     /** 
diff --git a/lib/js/test/phantom-client.js b/lib/js/test/phantom-client.js
new file mode 100644
index 0000000..f75b256
--- /dev/null
+++ b/lib/js/test/phantom-client.js
@@ -0,0 +1,382 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+ /* jshint -W100 */
+
+(function() {
+  'use strict';
+
+  // Rudimentary test helper functions
+  // TODO: Return error code based on kind of errors rather than throw
+  var ok = function(t, msg) {
+    if (!t) {
+      console.log('*** FAILED ***');
+      throw new Error(msg);
+    }
+  };
+  var equal = function(a, b) {
+    if (a !== b) {
+      console.log('*** FAILED ***');
+      throw new Error();
+    }
+  };
+  var test = function(name, f) {
+    console.log('TEST : ' + name);
+    f();
+    console.log('OK\n');
+  };
+
+  var parseArgs = function(args) {
+    var skips = [
+      '--transport=http',
+      '--protocol=json',
+    ];
+    var opts = {
+      port: '9090',
+      // protocol: 'json',
+    };
+    var keys = {};
+    for (var key in opts) {
+      keys['--' + key + '='] = key;
+    }
+    for (var i in args) {
+      var arg = args[i];
+      if (skips.indexOf(arg) != -1) {
+        continue;
+      }
+      var hit = false;
+      for (var k in keys) {
+        if (arg.slice(0, k.length) === k) {
+          opts[keys[k]] = arg.slice(k.length);
+          hit = true;
+          break;
+        }
+      }
+      if (!hit) {
+        throw new Error('Unknown argument: ' + arg);
+      }
+    }
+    opts.port = parseInt(opts.port, 10);
+    if (!opts.port || opts.port < 1 || opts.port > 65535) {
+      throw new Error('Invalid port number');
+    }
+    return opts;
+  };
+
+  var execute = function() {
+    console.log('### Apache Thrift Javascript standalone test client');
+    console.log('------------------------------------------------------------');
+
+    phantom.page.injectJs('src/thrift.js');
+    phantom.page.injectJs('test/gen-js/ThriftTest_types.js');
+    phantom.page.injectJs('test/gen-js/ThriftTest.js');
+
+    var system = require('system');
+    var opts = parseArgs(system.args.slice(1));
+    var port = opts.port;
+    var transport = new Thrift.Transport('http://localhost:' + port + '/service');
+    var protocol  = new Thrift.Protocol(transport);
+    var client    = new ThriftTest.ThriftTestClient(protocol);
+
+
+    // TODO: Remove duplicate code with test.js.
+    // all Languages in UTF-8
+    var stringTest = "Afrikaans, Alemannisch, Aragonés, العربية, مصرى, Asturianu, Aymar aru, Azərbaycan, Башҡорт, Boarisch, Žemaitėška, Беларуская, Беларуская (тарашкевіца), Български, Bamanankan, বাংলা, Brezhoneg, Bosanski, Català, Mìng-dĕ̤ng-ngṳ̄, Нохчийн, Cebuano, ᏣᎳᎩ, Česky, Словѣ́ньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ, Чӑвашла, Cymraeg, Dansk, Zazaki, ދިވެހިބަސް, Ελληνικά, Emiliàn e rumagnòl, English, Esperanto, Español, Eesti, Euskara, فارسی, Suomi, Võro, Føroyskt, Français, Arpetan, Furlan, Frysk, Gaeilge, 贛語, Gàidhlig, Galego, Avañe'ẽ, ગુજરાતી, Gaelg, עברית, हिन्दी, Fiji Hindi, Hrvatski, Kreyòl ayisyen, Magyar, Հայերեն, Interlingua, Bahasa Indonesia, Ilokano, Ido, Íslenska, Italiano, 日本語, Lojban, Basa Jawa, ქართული, Kongo, Kalaallisut, ಕನ್ನಡ, 한국어, Къарачай-Малкъар, Ripoarisch, Kurdî, Коми, Kernewek, Кыргызча, Latina, Ladino, Lëtzebuergesch, Limburgs, Lingála, ລາວ, Lietuvių, Latviešu, Basa Banyumasan, Malagasy, Македонски, മലയാളം, मराठी, Bahasa Melayu, مازِرونی, Nnapulitano, Nedersaksisch, नेपाल भाषा, Nederlands, ‪Norsk (nynorsk)‬, ‪Norsk (bokmål)‬, Nouormand, Diné bizaad, Occitan, Иронау, Papiamentu, Deitsch, Norfuk / Pitkern, Polski, پنجابی, پښتو, Português, Runa Simi, Rumantsch, Romani, Română, Русский, Саха тыла, Sardu, Sicilianu, Scots, Sámegiella, Simple English, Slovenčina, Slovenščina, Српски / Srpski, Seeltersk, Svenska, Kiswahili, தமிழ், తెలుగు, Тоҷикӣ, ไทย, Türkmençe, Tagalog, Türkçe, Татарча/Tatarça, Українська, اردو, Tiếng Việt, Volapük, Walon, Winaray, 吴语, isiXhosa, ייִדיש, Yorùbá, Zeêuws, 中文, Bân-lâm-gú, 粵語";
+
+    function checkRecursively(map1, map2) {
+      if (typeof map1 !== 'function' && typeof map2 !== 'function') {
+        if (!map1 || typeof map1 !== 'object') {
+          equal(map1, map2);
+        } else {
+          for (var key in map1) {
+            checkRecursively(map1[key], map2[key]);
+          }
+        }
+      }
+    }
+
+    test("Void", function() {
+      equal(client.testVoid(), undefined);
+    });
+    test("Binary (String)", function() {
+      var binary = '';
+      for (var v = 255; v >= 0; --v) {
+        binary += String.fromCharCode(v);
+      }
+      equal(client.testBinary(binary), binary);
+    });
+    test("Binary (Uint8Array)", function() {
+      var binary = '';
+      for (var v = 255; v >= 0; --v) {
+        binary += String.fromCharCode(v);
+      }
+      var arr = new Uint8Array(binary.length);
+      for (var i = 0; i < binary.length; ++i) {
+        arr[i] = binary[i].charCodeAt();
+      }
+      equal(client.testBinary(arr), binary);
+    });
+    test("String", function() {
+      equal(client.testString(''), '');
+      equal(client.testString(stringTest), stringTest);
+
+      var specialCharacters = 'quote: \" backslash:' +
+        ' forwardslash-escaped: \/ ' +
+          ' backspace: \b formfeed: \f newline: \n return: \r tab: ' +
+            ' now-all-of-them-together: "\\\/\b\n\r\t' +
+              ' now-a-bunch-of-junk: !@#$%&()(&%$#{}{}<><><';
+              equal(client.testString(specialCharacters),specialCharacters);
+    });
+    test("Double", function() {
+      equal(client.testDouble(0), 0);
+      equal(client.testDouble(-1), -1);
+      equal(client.testDouble(3.14), 3.14);
+      equal(client.testDouble(Math.pow(2,60)), Math.pow(2,60));
+    });
+    test("Bool", function() {
+      equal(client.testBool(true), true);
+      equal(client.testBool(false), false);
+    });
+    test("I8", function() {
+      equal(client.testByte(0), 0);
+      equal(client.testByte(0x01), 0x01);
+    });
+    test("I32", function() {
+      equal(client.testI32(0), 0);
+      equal(client.testI32(Math.pow(2,30)), Math.pow(2,30));
+      equal(client.testI32(-Math.pow(2,30)), -Math.pow(2,30));
+    });
+    test("I64", function() {
+      equal(client.testI64(0), 0);
+      //This is usually 2^60 but JS cannot represent anything over 2^52 accurately
+      equal(client.testI64(Math.pow(2,52)), Math.pow(2,52));
+      equal(client.testI64(-Math.pow(2,52)), -Math.pow(2,52));
+    });
+
+    test("Struct", function() {
+      var structTestInput = new ThriftTest.Xtruct();
+      structTestInput.string_thing = 'worked';
+      structTestInput.byte_thing = 0x01;
+      structTestInput.i32_thing = Math.pow(2,30);
+      //This is usually 2^60 but JS cannot represent anything over 2^52 accurately
+      structTestInput.i64_thing = Math.pow(2,52);
+
+      var structTestOutput = client.testStruct(structTestInput);
+
+      equal(structTestOutput.string_thing, structTestInput.string_thing);
+      equal(structTestOutput.byte_thing, structTestInput.byte_thing);
+      equal(structTestOutput.i32_thing, structTestInput.i32_thing);
+      equal(structTestOutput.i64_thing, structTestInput.i64_thing);
+
+      equal(JSON.stringify(structTestOutput), JSON.stringify(structTestInput));
+    });
+
+    test("Nest", function() {
+      var xtrTestInput = new ThriftTest.Xtruct();
+      xtrTestInput.string_thing = 'worked';
+      xtrTestInput.byte_thing = 0x01;
+      xtrTestInput.i32_thing = Math.pow(2,30);
+      //This is usually 2^60 but JS cannot represent anything over 2^52 accurately
+      xtrTestInput.i64_thing = Math.pow(2,52);
+
+      var nestTestInput = new ThriftTest.Xtruct2();
+      nestTestInput.byte_thing = 0x02;
+      nestTestInput.struct_thing = xtrTestInput;
+      nestTestInput.i32_thing = Math.pow(2,15);
+
+      var nestTestOutput = client.testNest(nestTestInput);
+
+      equal(nestTestOutput.byte_thing, nestTestInput.byte_thing);
+      equal(nestTestOutput.struct_thing.string_thing, nestTestInput.struct_thing.string_thing);
+      equal(nestTestOutput.struct_thing.byte_thing, nestTestInput.struct_thing.byte_thing);
+      equal(nestTestOutput.struct_thing.i32_thing, nestTestInput.struct_thing.i32_thing);
+      equal(nestTestOutput.struct_thing.i64_thing, nestTestInput.struct_thing.i64_thing);
+      equal(nestTestOutput.i32_thing, nestTestInput.i32_thing);
+
+      equal(JSON.stringify(nestTestOutput), JSON.stringify(nestTestInput));
+    });
+
+    test("Map", function() {
+      var mapTestInput = {7:77, 8:88, 9:99};
+
+      var mapTestOutput = client.testMap(mapTestInput);
+
+      for (var key in mapTestOutput) {
+        equal(mapTestOutput[key], mapTestInput[key]);
+      }
+    });
+
+    test("StringMap", function() {
+      var mapTestInput = {
+        "a":"123", "a b":"with spaces ", "same":"same", "0":"numeric key",
+        "longValue":stringTest, stringTest:"long key"
+      };
+
+      var mapTestOutput = client.testStringMap(mapTestInput);
+
+      for (var key in mapTestOutput) {
+        equal(mapTestOutput[key], mapTestInput[key]);
+      }
+    });
+
+    test("Set", function() {
+      var setTestInput = [1,2,3];
+      ok(client.testSet(setTestInput), setTestInput);
+    });
+
+    test("List", function() {
+      var listTestInput = [1,2,3];
+      ok(client.testList(listTestInput), listTestInput);
+    });
+
+    test("Enum", function() {
+      equal(client.testEnum(ThriftTest.Numberz.ONE), ThriftTest.Numberz.ONE);
+    });
+
+    test("TypeDef", function() {
+      equal(client.testTypedef(69), 69);
+    });
+
+    test("Skip", function() {
+      var structTestInput = new ThriftTest.Xtruct();
+      var modifiedClient = new ThriftTest.ThriftTestClient(protocol);
+
+      modifiedClient.recv_testStruct = function() {
+        var input  = modifiedClient.input;
+        var xtruct3 = new ThriftTest.Xtruct3();
+
+        input.readMessageBegin();
+        input.readStructBegin();
+
+        // read Xtruct data with Xtruct3
+        input.readFieldBegin();
+        xtruct3.read(input);
+        input.readFieldEnd();
+        // read Thrift.Type.STOP message
+        input.readFieldBegin();
+        input.readFieldEnd();
+
+        input.readStructEnd();
+        input.readMessageEnd();
+
+        return xtruct3;
+      };
+
+      structTestInput.string_thing = 'worked';
+      structTestInput.byte_thing   = 0x01;
+      structTestInput.i32_thing    = Math.pow(2,30);
+      structTestInput.i64_thing    = Math.pow(2,52);
+
+      var structTestOutput = modifiedClient.testStruct(structTestInput);
+
+      equal(structTestOutput instanceof ThriftTest.Xtruct3, true);
+      equal(structTestOutput.string_thing, structTestInput.string_thing);
+      equal(structTestOutput.changed, null);
+      equal(structTestOutput.i32_thing, structTestInput.i32_thing);
+      equal(structTestOutput.i64_thing, structTestInput.i64_thing);
+    });
+
+    test("MapMap", function() {
+      var mapMapTestExpectedResult = {
+        "4":{"1":1,"2":2,"3":3,"4":4},
+        "-4":{"-4":-4, "-3":-3, "-2":-2, "-1":-1}
+      };
+
+      var mapMapTestOutput = client.testMapMap(1);
+
+
+      for (var key in mapMapTestOutput) {
+        for (var key2 in mapMapTestOutput[key]) {
+          equal(mapMapTestOutput[key][key2], mapMapTestExpectedResult[key][key2]);
+        }
+      }
+
+      checkRecursively(mapMapTestOutput, mapMapTestExpectedResult);
+    });
+
+    test("Xception", function() {
+      try {
+        client.testException("Xception");
+        ok(false);
+      } catch (e) {
+        equal(e.errorCode, 1001);
+        equal(e.message, "Xception");
+      }
+    });
+
+    test("no Exception", function() {
+      try {
+        client.testException("no Exception");
+      } catch (e) {
+        ok(false);
+      }
+    });
+
+    test("TException", function() {
+      try {
+        client.testException("TException");
+        ok(false);
+      } catch(e) {
+        ok(ok);
+      }
+    });
+
+    var crazy = {
+      "userMap":{ "5":5, "8":8 },
+      "xtructs":[{
+        "string_thing":"Goodbye4",
+        "byte_thing":4,
+        "i32_thing":4,
+        "i64_thing":4
+      },
+      {
+        "string_thing":"Hello2",
+        "byte_thing":2,
+        "i32_thing":2,
+        "i64_thing":2
+      }]
+    };
+    test("Insanity", function() {
+      var insanity = {
+        "1":{
+          "2":crazy,
+          "3":crazy
+        },
+        "2":{ "6":{ "userMap":null, "xtructs":null } }
+      };
+      var res = client.testInsanity(new ThriftTest.Insanity(crazy));
+      ok(res, JSON.stringify(res));
+      ok(insanity, JSON.stringify(insanity));
+
+      checkRecursively(res, insanity);
+    });
+
+    console.log('------------------------------------------------------------');
+    console.log('### All tests succeeded.');
+    return 0;
+  };
+
+  try {
+    var ret = execute();
+    phantom.exit(ret);
+  } catch (err) {
+    // Catch all and exit to avoid hang.
+    console.error(err);
+    phantom.exit(1);
+  }
+})();
diff --git a/lib/js/test/test.js b/lib/js/test/test.js
index 0c7d2cb..2d8ec9b 100755
--- a/lib/js/test/test.js
+++ b/lib/js/test/test.js
@@ -58,7 +58,7 @@
     if (!details.result) {
       console.log('======== FAIL ========');
       console.log('TestName: ' + details.name);
-      details.message && console.log(details.message);
+      if (details.message) console.log(details.message);
       console.log('Expected: ' + details.expected);
       console.log('Actual  : ' + details.actual);
       console.log('======================');
@@ -86,6 +86,24 @@
   test("Void", function() {
     equal(client.testVoid(), undefined);
   });
+  test("Binary (String)", function() {
+    var binary = '';
+    for (var v = 255; v >= 0; --v) {
+      binary += String.fromCharCode(v);
+    }
+    equal(client.testBinary(binary), binary);
+  });
+  test("Binary (Uint8Array)", function() {
+    var binary = '';
+    for (var v = 255; v >= 0; --v) {
+      binary += String.fromCharCode(v);
+    }
+    var arr = new Uint8Array(binary.length);
+    for (var i = 0; i < binary.length; ++i) {
+      arr[i] = binary[i].charCodeAt();
+    }
+    equal(client.testBinary(arr), binary);
+  });
   test("String", function() {
     equal(client.testString(''), '');
     equal(client.testString(stringTest), stringTest);
diff --git a/test/tests.json b/test/tests.json
index afc7531..2c1aa70 100644
--- a/test/tests.json
+++ b/test/tests.json
@@ -466,5 +466,24 @@
       ]
     },
     "workdir": "erl"
+  },
+  {
+    "name": "js",
+    "transports": [
+      "http"
+    ],
+    "sockets": [
+      "ip"
+    ],
+    "protocols": [
+      "json"
+    ],
+    "client": {
+      "command": [
+        "phantomjs",
+        "test/phantom-client.js"
+      ]
+    },
+    "workdir": "../lib/js"
   }
 ]