diff --git a/test/annexB/B.2.3.10.js b/test/annexB/B.2.3.10.js
new file mode 100644
index 0000000000..58b1118dc9
--- /dev/null
+++ b/test/annexB/B.2.3.10.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.link returns a string of HTML describing a single HTML
+     anchor element. The element's content is the `this` value of the function
+     invocation, coerced to a string. If specified, the first argument will be
+     coerced to a string, escaped, and set as the element's `href` attribute.
+ es6id: B.2.3.10
+ ---*/
+
+assert.sameValue('_'.link('b'), '<a href="b">_</a>');
+assert.sameValue('<'.link('<'), '<a href="<"><</a>');
+assert.sameValue('_'.link(0x2A), '<a href="42">_</a>');
+assert.sameValue('_'.link('\x22'), '<a href="&quot;">_</a>');
+assert.sameValue(String.prototype.link.call(0x2A, 0x2A), '<a href="42">42</a>');
+assert.throws(TypeError, function() {
+  String.prototype.link.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.link.call(null);
+});
+assert.sameValue(String.prototype.link.length, 1);
diff --git a/test/annexB/B.2.3.11.js b/test/annexB/B.2.3.11.js
new file mode 100644
index 0000000000..2fc9a85a8a
--- /dev/null
+++ b/test/annexB/B.2.3.11.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.small returns a string of HTML describing a single HTML
+     small print element. The element's content is the `this` value of the
+     function invocation, coerced to a string.
+ es6id: B.2.3.11
+ ---*/
+
+assert.sameValue('_'.small(), '<small>_</small>');
+assert.sameValue('<'.small(), '<small><</small>');
+assert.sameValue(String.prototype.small.call(0x2A), '<small>42</small>');
+assert.throws(TypeError, function() {
+  String.prototype.small.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.small.call(null);
+});
+assert.sameValue(String.prototype.small.length, 0);
diff --git a/test/annexB/B.2.3.12.js b/test/annexB/B.2.3.12.js
new file mode 100644
index 0000000000..6dee590e6c
--- /dev/null
+++ b/test/annexB/B.2.3.12.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.strike returns a string of HTML describing a single HTML
+     strikethrough element. The element's content is the `this` value of the
+     function invocation, coerced to a string.
+ es6id: B.2.3.12
+ ---*/
+
+assert.sameValue('_'.strike(), '<strike>_</strike>');
+assert.sameValue('<'.strike(), '<strike><</strike>');
+assert.sameValue(String.prototype.strike.call(0x2A), '<strike>42</strike>');
+assert.throws(TypeError, function() {
+  String.prototype.strike.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.strike.call(null);
+});
+assert.sameValue(String.prototype.strike.length, 0);
diff --git a/test/annexB/B.2.3.13.js b/test/annexB/B.2.3.13.js
new file mode 100644
index 0000000000..64a9c830cd
--- /dev/null
+++ b/test/annexB/B.2.3.13.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.sub returns a string of HTML describing a single HTML
+     subscript element. The element's content is the `this` value of the
+     function invocation, coerced to a string.
+ es6id: B.2.3.13
+ ---*/
+
+assert.sameValue('_'.sub(), '<sub>_</sub>');
+assert.sameValue('<'.sub(), '<sub><</sub>');
+assert.sameValue(String.prototype.sub.call(0x2A), '<sub>42</sub>');
+assert.throws(TypeError, function() {
+  String.prototype.sub.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.sub.call(null);
+});
+assert.sameValue(String.prototype.sub.length, 0);
diff --git a/test/annexB/B.2.3.14.js b/test/annexB/B.2.3.14.js
new file mode 100644
index 0000000000..f20c3b705c
--- /dev/null
+++ b/test/annexB/B.2.3.14.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.sup returns a string of HTML describing a single HTML
+     superscript element. The element's content is the `this` value of the
+     function invocation, coerced to a string.
+ es6id: B.2.3.14
+ ---*/
+
+assert.sameValue('_'.sup(), '<sup>_</sup>');
+assert.sameValue('<'.sup(), '<sup><</sup>');
+assert.sameValue(String.prototype.sup.call(0x2A), '<sup>42</sup>');
+assert.throws(TypeError, function() {
+  String.prototype.sup.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.sup.call(null);
+});
+assert.sameValue(String.prototype.sup.length, 0);
diff --git a/test/annexB/B.2.3.2.js b/test/annexB/B.2.3.2.js
new file mode 100644
index 0000000000..f39c60510f
--- /dev/null
+++ b/test/annexB/B.2.3.2.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.anchor returns a string of HTML describing a single HTML
+     anchor element. The element's content is the `this` value of the function
+     invocation, coerced to a string. If specified, the first argument will be
+     coerced to a string, escaped, and set as the element's `name` attribute.
+ es6id: B.2.3.2
+ ---*/
+
+assert.sameValue('_'.anchor('b'), '<a name="b">_</a>');
+assert.sameValue('<'.anchor('<'), '<a name="<"><</a>');
+assert.sameValue('_'.anchor(0x2A), '<a name="42">_</a>');
+assert.sameValue('_'.anchor('\x22'), '<a name="&quot;">_</a>');
+assert.sameValue(String.prototype.anchor.call(0x2A, 0x2A), '<a name="42">42</a>');
+assert.throws(TypeError, function() {
+  String.prototype.anchor.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.anchor.call(null);
+});
+assert.sameValue(String.prototype.anchor.length, 1);
diff --git a/test/annexB/B.2.3.3.js b/test/annexB/B.2.3.3.js
new file mode 100644
index 0000000000..380919d741
--- /dev/null
+++ b/test/annexB/B.2.3.3.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.big returns a string of HTML describing a single HTML
+     big element. The element's content is the `this` value of the function
+     invocation, coerced to a string.
+ es6id: B.2.3.3
+ ---*/
+
+assert.sameValue('_'.big(), '<big>_</big>');
+assert.sameValue('<'.big(), '<big><</big>');
+assert.sameValue(String.prototype.big.call(0x2A), '<big>42</big>');
+assert.throws(TypeError, function() {
+  String.prototype.big.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.big.call(null);
+});
+assert.sameValue(String.prototype.big.length, 0);
diff --git a/test/annexB/B.2.3.4.js b/test/annexB/B.2.3.4.js
new file mode 100644
index 0000000000..619e591d29
--- /dev/null
+++ b/test/annexB/B.2.3.4.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.blink returns a string of HTML describing a single HTML
+     blink element. The element's content is the `this` value of the function
+     invocation, coerced to a string.
+ es6id: B.2.3.4
+ ---*/
+
+assert.sameValue('_'.blink(), '<blink>_</blink>');
+assert.sameValue('<'.blink(), '<blink><</blink>');
+assert.sameValue(String.prototype.blink.call(0x2A), '<blink>42</blink>');
+assert.throws(TypeError, function() {
+  String.prototype.blink.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.blink.call(null);
+});
+assert.sameValue(String.prototype.blink.length, 0);
diff --git a/test/annexB/B.2.3.5.js b/test/annexB/B.2.3.5.js
new file mode 100644
index 0000000000..54e9d5bbdf
--- /dev/null
+++ b/test/annexB/B.2.3.5.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.bold returns a string of HTML describing a single HTML
+     bold element. The element's content is the `this` value of the function
+     invocation, coerced to a string.
+ es6id: B.2.3.5
+ ---*/
+
+assert.sameValue('_'.bold(), '<b>_</b>');
+assert.sameValue('<'.bold(), '<b><</b>');
+assert.sameValue(String.prototype.bold.call(0x2A), '<b>42</b>');
+assert.throws(TypeError, function() {
+  String.prototype.bold.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.bold.call(null);
+});
+assert.sameValue(String.prototype.bold.length, 0);
diff --git a/test/annexB/B.2.3.6.js b/test/annexB/B.2.3.6.js
new file mode 100644
index 0000000000..1d5a18543c
--- /dev/null
+++ b/test/annexB/B.2.3.6.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.fixed returns a string of HTML describing a single HTML
+     teletype text element. The element's content is the `this` value of the
+     function invocation, coerced to a string.
+ es6id: B.2.3.6
+ ---*/
+
+assert.sameValue('_'.fixed(), '<tt>_</tt>');
+assert.sameValue('<'.fixed(), '<tt><</tt>');
+assert.sameValue(String.prototype.fixed.call(0x2A), '<tt>42</tt>');
+assert.throws(TypeError, function() {
+  String.prototype.fixed.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.fixed.call(null);
+});
+assert.sameValue(String.prototype.fixed.length, 0);
diff --git a/test/annexB/B.2.3.7.js b/test/annexB/B.2.3.7.js
new file mode 100644
index 0000000000..4bc59d21ad
--- /dev/null
+++ b/test/annexB/B.2.3.7.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.fontcolor returns a string of HTML describing a single
+     HTML font element. The element's content is the `this` value of the
+     function invocation, coerced to a string. If specified, the first argument
+     will be coerced to a string, escaped, and set as the element's `color`
+     attribute.
+ es6id: B.2.3.7
+ ---*/
+
+assert.sameValue('_'.fontcolor('b'), '<font color="b">_</font>');
+assert.sameValue('<'.fontcolor('<'), '<font color="<"><</font>');
+assert.sameValue('_'.fontcolor(0x2A), '<font color="42">_</font>');
+assert.sameValue('_'.fontcolor('\x22'), '<font color="&quot;">_</font>');
+assert.sameValue(String.prototype.fontcolor.call(0x2A, 0x2A),
+  '<font color="42">42</font>');
+assert.throws(TypeError, function() {
+  String.prototype.fontcolor.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.fontcolor.call(null);
+});
+assert.sameValue(String.prototype.fontcolor.length, 1);
diff --git a/test/annexB/B.2.3.8.js b/test/annexB/B.2.3.8.js
new file mode 100644
index 0000000000..f966275b87
--- /dev/null
+++ b/test/annexB/B.2.3.8.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.fontsize returns a string of HTML describing a single
+     HTML font element. The element's content is the `this` value of the
+     function invocation, coerced to a string. If specified, the first argument
+     will be coerced to a string, escaped, and set as the element's `size`
+     attribute.
+ es6id: B.2.3.8
+ ---*/
+
+assert.sameValue('_'.fontsize('b'), '<font size="b">_</font>');
+assert.sameValue('<'.fontsize('<'), '<font size="<"><</font>');
+assert.sameValue('_'.fontsize(0x2A), '<font size="42">_</font>');
+assert.sameValue('_'.fontsize('\x22'), '<font size="&quot;">_</font>');
+assert.sameValue(String.prototype.fontsize.call(0x2A, 0x2A),
+  '<font size="42">42</font>');
+assert.throws(TypeError, function() {
+  String.prototype.fontsize.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.fontsize.call(null);
+});
+assert.sameValue(String.prototype.fontsize.length, 1);
diff --git a/test/annexB/B.2.3.9.js b/test/annexB/B.2.3.9.js
new file mode 100644
index 0000000000..e81cd0f1e3
--- /dev/null
+++ b/test/annexB/B.2.3.9.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+// Tests taken from:
+// http://mathias.html5.org/tests/javascript/string/
+
+/*---
+ description: >
+     String.prototype.italics returns a string of HTML describing a single HTML
+     italic element. The element's content is the `this` value of the function
+     invocation, coerced to a string.
+ es6id: B.2.3.9
+ ---*/
+
+assert.sameValue('_'.italics(), '<i>_</i>');
+assert.sameValue('<'.italics(), '<i><</i>');
+assert.sameValue(String.prototype.italics.call(0x2A), '<i>42</i>');
+assert.throws(TypeError, function() {
+  String.prototype.italics.call(undefined);
+});
+assert.throws(TypeError, function() {
+  String.prototype.italics.call(null);
+});
+assert.sameValue(String.prototype.italics.length, 0);