diff --git a/README.md b/README.md
index f748cef7..71c22280 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,6 @@ There are over 4000 assertions in the test suite, and tests cover even difficult
 
 ## Modularity
 
-Despite the huge improvements in performance and modularity, the new codebase is smaller than v0.2.x, currently clocking at <!-- size -->7.40 KB<!-- /size --> min+gzip
+Despite the huge improvements in performance and modularity, the new codebase is smaller than v0.2.x, currently clocking at <!-- size -->7.41 KB<!-- /size --> min+gzip
 
 In addition, Mithril is now completely modular: you can import only the modules that you need and easily integrate 3rd party modules if you wish to use a different library for routing, ajax, and even rendering
diff --git a/mithril.js b/mithril.js
index 7fdbec3a..520055e5 100644
--- a/mithril.js
+++ b/mithril.js
@@ -4,7 +4,7 @@ function Vnode(tag, key, attrs0, children, text, dom) {
 	return {tag: tag, key: key, attrs: attrs0, children: children, text: text, dom: dom, domSize: undefined, state: {}, events: undefined, instance: undefined, skip: false}
 }
 Vnode.normalize = function(node) {
-	if (node instanceof Array) return Vnode("[", undefined, undefined, Vnode.normalizeChildren(node), undefined, undefined)
+	if (Array.isArray(node)) return Vnode("[", undefined, undefined, Vnode.normalizeChildren(node), undefined, undefined)
 	if (node != null && typeof node !== "object") return Vnode("#", undefined, undefined, node, undefined, undefined)
 	return node
 }
@@ -52,19 +52,19 @@ function hyperscript(selector) {
 					break
 				}
 			}
-			if (children instanceof Array && children.length == 1 && children[0] != null && children[0].tag === "#") text = children[0].children
+			if (Array.isArray(children) && children.length == 1 && children[0] != null && children[0].tag === "#") text = children[0].children
 			else childList = children
 			return Vnode(tag || "div", attrs.key, hasAttrs ? attrs : undefined, childList, text, undefined)
 		}
 	}
 	var attrs, children, childrenIndex
-	if (arguments[1] == null || typeof arguments[1] === "object" && arguments[1].tag === undefined && !(arguments[1] instanceof Array)) {
+	if (arguments[1] == null || typeof arguments[1] === "object" && arguments[1].tag === undefined && !Array.isArray(arguments[1])) {
 		attrs = arguments[1]
 		childrenIndex = 2
 	}
 	else childrenIndex = 1
 	if (arguments.length === childrenIndex + 1) {
-		children = arguments[childrenIndex] instanceof Array ? arguments[childrenIndex] : [arguments[childrenIndex]]
+		children = Array.isArray(arguments[childrenIndex]) ? arguments[childrenIndex] : [arguments[childrenIndex]]
 	}
 	else {
 		children = []
@@ -187,7 +187,7 @@ var buildQueryString = function(object) {
 	}
 	return args.join("&")
 	function destructure(key0, value) {
-		if (value instanceof Array) {
+		if (Array.isArray(value)) {
 			for (var i = 0; i < value.length; i++) {
 				destructure(key0 + "[" + i + "]", value[i])
 			}
@@ -219,7 +219,6 @@ var _8 = function($window, Promise) {
 		}
 		return promise0
 	}
-	
 	function request(args, extra) {
 		return finalize(new Promise(function(resolve, reject) {
 			if (typeof args === "string") {
@@ -316,7 +315,7 @@ var _8 = function($window, Promise) {
 	function extract(xhr) {return xhr.responseText}
 	function cast(type0, data) {
 		if (typeof type0 === "function") {
-			if (data instanceof Array) {
+			if (Array.isArray(data)) {
 				for (var i = 0; i < data.length; i++) {
 					data[i] = new type0(data[i])
 				}
@@ -467,7 +466,6 @@ var _13 = function($window) {
 			else {
 				var recycling = isRecyclable(old, vnodes)
 				if (recycling) old = old.concat(old.pool)
-				
 				var oldStart = 0, start = 0, oldEnd = old.length - 1, end = vnodes.length - 1, map
 				while (oldEnd >= oldStart && end >= start) {
 					var o = old[oldStart], v = vnodes[start]
@@ -739,7 +737,7 @@ var _13 = function($window) {
 		if (vnode.instance != null) onremove(vnode.instance)
 		else {
 			var children = vnode.children
-			if (children instanceof Array) {
+			if (Array.isArray(children)) {
 				for (var i = 0; i < children.length; i++) {
 					var child = children[i]
 					if (child != null) onremove(child)
@@ -880,7 +878,7 @@ var _13 = function($window) {
 		var active = $doc.activeElement
 		// First time rendering into a node clears it out
 		if (dom.vnodes == null) dom.textContent = ""
-		if (!(vnodes instanceof Array)) vnodes = [vnodes]
+		if (!Array.isArray(vnodes)) vnodes = [vnodes]
 		updateNodes(dom, dom.vnodes, Vnode.normalizeChildren(vnodes), hooks, null, undefined)
 		dom.vnodes = vnodes
 		for (var i = 0; i < hooks.length; i++) hooks[i]()
diff --git a/mithril.min.js b/mithril.min.js
index 41590c4a..5a8f0d69 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -1,13 +1,13 @@
 new function(){function m(a,b,k,e,l,h){return{tag:a,key:b,attrs:k,children:e,text:l,dom:h,domSize:void 0,state:{},events:void 0,instance:void 0,skip:!1}}function t(a){if(null==a||"string"!==typeof a&&null==a.view)throw Error("The selector must be either a string or a component.");if("string"===typeof a&&void 0===H[a]){for(var b,k,e=[],l={};b=O.exec(a);){var h=b[1],v=b[2];""===h&&""!==v?k=v:"#"===h?l.id=v:"."===h?e.push(v):"["===b[3][0]&&((h=b[6])&&(h=h.replace(/\\(["'])/g,"$1").replace(/\\\\/g,"\\")),
-"class"===b[4]?e.push(h):l[b[4]]=h||!0)}0<e.length&&(l.className=e.join(" "));H[a]=function(a,b){var e=!1,h,f,w=a.className||a["class"],n;for(n in l)a[n]=l[n];void 0!==w&&(void 0!==a["class"]&&(a["class"]=void 0,a.className=w),void 0!==l.className&&(a.className=l.className+" "+w));for(n in a)if("key"!==n){e=!0;break}b instanceof Array&&1==b.length&&null!=b[0]&&"#"===b[0].tag?f=b[0].children:h=b;return m(k||"div",a.key,e?a:void 0,h,f,void 0)}}var p;null!=arguments[1]&&("object"!==typeof arguments[1]||
-void 0!==arguments[1].tag||arguments[1]instanceof Array)?e=1:(p=arguments[1],e=2);if(arguments.length===e+1)b=arguments[e]instanceof Array?arguments[e]:[arguments[e]];else for(b=[];e<arguments.length;e++)b.push(arguments[e]);return"string"===typeof a?H[a](p||{},m.normalizeChildren(b)):m(a,p&&p.key,p||{},m.normalizeChildren(b),void 0,void 0)}m.normalize=function(a){return a instanceof Array?m("[",void 0,void 0,m.normalizeChildren(a),void 0,void 0):null!=a&&"object"!==typeof a?m("#",void 0,void 0,a,
-void 0,void 0):a};m.normalizeChildren=function(a){for(var b=0;b<a.length;b++)a[b]=m.normalize(a[b]);return a};var O=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,H={};t.trust=function(a){null==a&&(a="");return m("<",void 0,void 0,a,void 0,void 0)};t.fragment=function(a,b){return m("[",a.key,a,m.normalizeChildren(b),void 0,void 0)};var y=function(a){function b(a,b){return function w(n){var u;try{if(!b||null==n||"object"!==typeof n&&"function"!==typeof n||"function"!==
-typeof(u=n.then))m(function(){b||0!==a.length||console.error("Possible unhandled promise rejection:",n);for(var e=0;e<a.length;e++)a[e](n);l.length=0;h.length=0;r.state=b;r.retry=function(){w(n)}});else{if(n===e)throw new TypeError("Promise can't be resolved w/ itself");k(u.bind(n))}}catch(F){p(F)}}}function k(a){function b(a){return function(b){0<f++||a(b)}}var f=0,e=b(p);try{a(b(v),e)}catch(n){e(n)}}if(!(this instanceof y))throw Error("Promise must be called with `new`");if("function"!==typeof a)throw new TypeError("executor must be a function");
+"class"===b[4]?e.push(h):l[b[4]]=h||!0)}0<e.length&&(l.className=e.join(" "));H[a]=function(a,b){var e=!1,h,f,w=a.className||a["class"],n;for(n in l)a[n]=l[n];void 0!==w&&(void 0!==a["class"]&&(a["class"]=void 0,a.className=w),void 0!==l.className&&(a.className=l.className+" "+w));for(n in a)if("key"!==n){e=!0;break}Array.isArray(b)&&1==b.length&&null!=b[0]&&"#"===b[0].tag?f=b[0].children:h=b;return m(k||"div",a.key,e?a:void 0,h,f,void 0)}}var p;null==arguments[1]||"object"===typeof arguments[1]&&
+void 0===arguments[1].tag&&!Array.isArray(arguments[1])?(p=arguments[1],e=2):e=1;if(arguments.length===e+1)b=Array.isArray(arguments[e])?arguments[e]:[arguments[e]];else for(b=[];e<arguments.length;e++)b.push(arguments[e]);return"string"===typeof a?H[a](p||{},m.normalizeChildren(b)):m(a,p&&p.key,p||{},m.normalizeChildren(b),void 0,void 0)}m.normalize=function(a){return Array.isArray(a)?m("[",void 0,void 0,m.normalizeChildren(a),void 0,void 0):null!=a&&"object"!==typeof a?m("#",void 0,void 0,a,void 0,
+void 0):a};m.normalizeChildren=function(a){for(var b=0;b<a.length;b++)a[b]=m.normalize(a[b]);return a};var O=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,H={};t.trust=function(a){null==a&&(a="");return m("<",void 0,void 0,a,void 0,void 0)};t.fragment=function(a,b){return m("[",a.key,a,m.normalizeChildren(b),void 0,void 0)};var y=function(a){function b(a,b){return function w(n){var u;try{if(!b||null==n||"object"!==typeof n&&"function"!==typeof n||"function"!==typeof(u=
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-k)})};"undefined"===typeof Promise&&("undefined"!==typeof window?window.Promise=y:"undefined"!==typeof global&&(global.Promise=y));var C=function(a){function b(a,e){if(e instanceof Array)for(var h=0;h<e.length;h++)b(a+"["+h+"]",e[h]);else if("[object Object]"===Object.prototype.toString.call(e))for(h in e)b(a+"["+h+"]",e[h]);else k.push(encodeURIComponent(a)+(null!=e&&""!==e?"="+encodeURIComponent(e):""))}if("[object Object]"!==Object.prototype.toString.call(a))return"";var k=[],e;for(e in a)b(e,
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+k)})};"undefined"===typeof Promise&&("undefined"!==typeof window?window.Promise=y:"undefined"!==typeof global&&(global.Promise=y));var C=function(a){function b(a,e){if(Array.isArray(e))for(var h=0;h<e.length;h++)b(a+"["+h+"]",e[h]);else if("[object Object]"===Object.prototype.toString.call(e))for(h in e)b(a+"["+h+"]",e[h]);else k.push(encodeURIComponent(a)+(null!=e&&""!==e?"="+encodeURIComponent(e):""))}if("[object Object]"!==Object.prototype.toString.call(a))return"";var k=[],e;for(e in a)b(e,a[e]);
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 u&&null!=f.data?n.send(f.data):n.send()}))},jsonp:function(f){return e(new b(function(b,e){var n=f.callbackName||"_mithril_"+Math.round(1E16*Math.random())+"_"+m++,k=a.document.createElement("script");a[n]=function(e){k.parentNode.removeChild(k);b(r(f.type,e));delete a[n]};k.onerror=function(){k.parentNode.removeChild(k);e(Error("JSONP request failed"));delete a[n]};null==f.data&&(f.data={});f.url=l(f.url,f.data);f.data[f.callbackKey||"callback"]=n;k.src=h(f.url,f.data);a.document.documentElement.appendChild(k)}))},
@@ -25,11 +25,11 @@ d.attrs&&null!=d.attrs.contenteditable?y(d):null!=g.text&&null!=d.text&&""!==d.t
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 z.activeElement||"select"===a.tag&&"value"===g&&a.dom.value===b&&a.dom===z.activeElement||"option"===a.tag&&"value"===g&&a.dom.value===b||(c[g]=b):"boolean"===typeof b?b?c.setAttribute(g,""):c.removeAttribute(g):c.setAttribute("className"===g?"class":g,b)}}function L(a){return"oninit"===a||"oncreate"===a||"onupdate"===a||"onremove"===a||"onbeforeremove"===a||"onbeforeupdate"===a}function F(a,b,d){var c=a.dom,g=function(a){var b=d.call(c,a);"function"===typeof C&&C.call(c,a);return b};if(b in c)c[b]=
 "function"===typeof d?g:null;else{var e=b.slice(2);void 0===a.events&&(a.events={});null!=a.events[b]&&c.removeEventListener(e,a.events[b],!1);"function"===typeof d&&(a.events[b]=g,c.addEventListener(e,a.events[b],!1))}}function t(a,b,d){"function"===typeof a.oninit&&a.oninit.call(b.state,b);"function"===typeof a.oncreate&&d.push(a.oncreate.bind(b.state,b))}function M(a,b,d,e){e?t(a,b,d):"function"===typeof a.onupdate&&d.push(a.onupdate.bind(b.state,b))}function P(a,b){Object.keys(b).forEach(function(c){a[c]=
-b[c]})}var z=a.document,G=z.createDocumentFragment(),C;return{render:function(a,b){if(!a)throw Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.");var d=[],c=z.activeElement;null==a.vnodes&&(a.textContent="");b instanceof Array||(b=[b]);l(a,a.vnodes,m.normalizeChildren(b),d,null,void 0);a.vnodes=b;for(var e=0;e<d.length;e++)d[e]();z.activeElement!==c&&c.focus()},setEventCallback:function(a){return C=a}}}(window),Q=function(a){var b=0,k=null,e="function"===typeof requestAnimationFrame?
+b[c]})}var z=a.document,G=z.createDocumentFragment(),C;return{render:function(a,b){if(!a)throw Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.");var d=[],c=z.activeElement;null==a.vnodes&&(a.textContent="");Array.isArray(b)||(b=[b]);l(a,a.vnodes,m.normalizeChildren(b),d,null,void 0);a.vnodes=b;for(var e=0;e<d.length;e++)d[e]();z.activeElement!==c&&c.focus()},setEventCallback:function(a){return C=a}}}(window),Q=function(a){var b=0,k=null,e="function"===typeof requestAnimationFrame?
 requestAnimationFrame:setTimeout;return function(l){var h=Date.now();!0===l||0===b||16<=h-b?(b=h,a()):null===k&&(k=e(function(){k=null;a();b=Date.now()},16-(h-b)))}},R=function(a,b,k,e){e=Q(e);null!=b&&b.setEventCallback(function(a){!1!==a.redraw&&k.publish()});null!=k&&(a.redraw&&k.unsubscribe(a.redraw),k.subscribe(e));return a.redraw=e};t.mount=function(a,b){return function(k,e){if(null===e)a.render(k,[]),b.unsubscribe(k.redraw),delete k.redraw;else{if(null==e.view)throw Error("m.mount(element, component) expects a component, not a vnode");
 R(k,a,b,function(){a.render(k,m(e,void 0,void 0,void 0,void 0,void 0))})()}}}(N,J);var K=function(a){if(""===a||null==a)return{};"?"===a.charAt(0)&&(a=a.slice(1));a=a.split("&");for(var b={},k={},e=0;e<a.length;e++){var l=a[e].split("="),h=decodeURIComponent(l[0]),l=2===l.length?decodeURIComponent(l[1]):"";"true"===l?l=!0:"false"===l&&(l=!1);var m=h.split(/\]\[?|\[/),p=b;-1<h.indexOf("[")&&m.pop();for(var r=0;r<m.length;r++){var h=m[r],t=m[r+1],t=""==t||!isNaN(parseInt(t,10)),u=r===m.length-1;""===
 h&&(h=m.slice(0,r).join(),null==k[h]&&(k[h]=0),h=k[h]++);null==p[h]&&(p[h]=u?l:t?[]:{});p=p[h]}}return b},S=function(a){function b(b){var e=a.location[b].replace(/(?:%[a-f89][a-f0-9])+/gim,decodeURIComponent);"pathname"===b&&"/"!==e[0]&&(e="/"+e);return e}function k(a){return function(){null==t&&(t=p(function(){t=null;a()}))}}function e(a,b,e){var f=a.indexOf("?"),h=a.indexOf("#"),k=-1<f?f:-1<h?h:a.length;if(-1<f){var f=K(a.slice(f+1,-1<h?h:a.length)),l;for(l in f)b[l]=f[l]}if(-1<h)for(l in b=K(a.slice(h+
diff --git a/ospec/ospec.js b/ospec/ospec.js
index 60c0b66c..b7d276de 100644
--- a/ospec/ospec.js
+++ b/ospec/ospec.js
@@ -142,7 +142,7 @@ module.exports = new function init() {
 				}
 				return true
 			}
-			if (a.length === b.length && (a instanceof Array && b instanceof Array || aIsArgs && bIsArgs)) {
+			if (a.length === b.length && (Array.isArray(a) && Array.isArray(b) || aIsArgs && bIsArgs)) {
 				for (var i = 0; i < a.length; i++) {
 					if (!deepEqual(a[i], b[i])) return false
 				}
@@ -185,7 +185,7 @@ module.exports = new function init() {
 		results.push(result)
 	}
 	function serialize(value) {
-		if (value === null || (typeof value === "object" && !(value instanceof Array)) || typeof value === "number") return String(value)
+		if (value === null || (typeof value === "object" && !Array.isArray(value)) || typeof value === "number") return String(value)
 		else if (typeof value === "function") return value.name || "<anonymous function>"
 		try {return JSON.stringify(value)} catch (e) {return String(value)}
 	}
diff --git a/querystring/build.js b/querystring/build.js
index 3bea081f..55474392 100644
--- a/querystring/build.js
+++ b/querystring/build.js
@@ -10,7 +10,7 @@ module.exports = function(object) {
 	return args.join("&")
 
 	function destructure(key, value) {
-		if (value instanceof Array) {
+		if (Array.isArray(value)) {
 			for (var i = 0; i < value.length; i++) {
 				destructure(key + "[" + i + "]", value[i])
 			}
diff --git a/render/hyperscript.js b/render/hyperscript.js
index 28ce0d35..a2cf7332 100644
--- a/render/hyperscript.js
+++ b/render/hyperscript.js
@@ -41,20 +41,20 @@ function hyperscript(selector) {
 					break
 				}
 			}
-			if (children instanceof Array && children.length == 1 && children[0] != null && children[0].tag === "#") text = children[0].children
+			if (Array.isArray(children) && children.length == 1 && children[0] != null && children[0].tag === "#") text = children[0].children
 			else childList = children
 
 			return Vnode(tag || "div", attrs.key, hasAttrs ? attrs : undefined, childList, text, undefined)
 		}
 	}
 	var attrs, children, childrenIndex
-	if (arguments[1] == null || typeof arguments[1] === "object" && arguments[1].tag === undefined && !(arguments[1] instanceof Array)) {
+	if (arguments[1] == null || typeof arguments[1] === "object" && arguments[1].tag === undefined && !Array.isArray(arguments[1])) {
 		attrs = arguments[1]
 		childrenIndex = 2
 	}
 	else childrenIndex = 1
 	if (arguments.length === childrenIndex + 1) {
-		children = arguments[childrenIndex] instanceof Array ? arguments[childrenIndex] : [arguments[childrenIndex]]
+		children = Array.isArray(arguments[childrenIndex]) ? arguments[childrenIndex] : [arguments[childrenIndex]]
 	}
 	else {
 		children = []
diff --git a/render/render.js b/render/render.js
index 909477a2..a851c91f 100644
--- a/render/render.js
+++ b/render/render.js
@@ -135,7 +135,7 @@ module.exports = function($window) {
 			else {
 				var recycling = isRecyclable(old, vnodes)
 				if (recycling) old = old.concat(old.pool)
-				
+
 				var oldStart = 0, start = 0, oldEnd = old.length - 1, end = vnodes.length - 1, map
 				while (oldEnd >= oldStart && end >= start) {
 					var o = old[oldStart], v = vnodes[start]
@@ -410,7 +410,7 @@ module.exports = function($window) {
 		if (vnode.instance != null) onremove(vnode.instance)
 		else {
 			var children = vnode.children
-			if (children instanceof Array) {
+			if (Array.isArray(children)) {
 				for (var i = 0; i < children.length; i++) {
 					var child = children[i]
 					if (child != null) onremove(child)
@@ -559,7 +559,7 @@ module.exports = function($window) {
 		// First time rendering into a node clears it out
 		if (dom.vnodes == null) dom.textContent = ""
 
-		if (!(vnodes instanceof Array)) vnodes = [vnodes]
+		if (!Array.isArray(vnodes)) vnodes = [vnodes]
 		updateNodes(dom, dom.vnodes, Vnode.normalizeChildren(vnodes), hooks, null, undefined)
 		dom.vnodes = vnodes
 		for (var i = 0; i < hooks.length; i++) hooks[i]()
diff --git a/render/tests/test-fragment.js b/render/tests/test-fragment.js
index f0403bbc..b10fc850 100644
--- a/render/tests/test-fragment.js
+++ b/render/tests/test-fragment.js
@@ -11,7 +11,7 @@ o.spec("fragment", function() {
 
 		o(frag.tag).equals("[")
 
-		o(frag.children instanceof Array).equals(true)
+		o(Array.isArray(frag.children)).equals(true)
 		o(frag.children.length).equals(1)
 		o(frag.children[0]).equals(child)
 
@@ -24,7 +24,7 @@ o.spec("fragment", function() {
 		var frag = fragment(attrs, [])
 		o(frag.tag).equals("[")
 
-		o(frag.children instanceof Array).equals(true)
+		o(Array.isArray(frag.children)).equals(true)
 		o(frag.children.length).equals(0)
 
 		o(frag.attrs).equals(attrs)
diff --git a/render/vnode.js b/render/vnode.js
index 0c52d53d..99877e4e 100644
--- a/render/vnode.js
+++ b/render/vnode.js
@@ -2,7 +2,7 @@ function Vnode(tag, key, attrs, children, text, dom) {
 	return {tag: tag, key: key, attrs: attrs, children: children, text: text, dom: dom, domSize: undefined, state: {}, events: undefined, instance: undefined, skip: false}
 }
 Vnode.normalize = function(node) {
-	if (node instanceof Array) return Vnode("[", undefined, undefined, Vnode.normalizeChildren(node), undefined, undefined)
+	if (Array.isArray(node)) return Vnode("[", undefined, undefined, Vnode.normalizeChildren(node), undefined, undefined)
 	if (node != null && typeof node !== "object") return Vnode("#", undefined, undefined, node, undefined, undefined)
 	return node
 }
diff --git a/request/request.js b/request/request.js
index a005f240..91ea17a3 100644
--- a/request/request.js
+++ b/request/request.js
@@ -23,7 +23,7 @@ module.exports = function($window, Promise) {
 		}
 		return promise
 	}
-	
+
 	function request(args, extra) {
 		return finalize(new Promise(function(resolve, reject) {
 			if (typeof args === "string") {
@@ -136,7 +136,7 @@ module.exports = function($window, Promise) {
 
 	function cast(type, data) {
 		if (typeof type === "function") {
-			if (data instanceof Array) {
+			if (Array.isArray(data)) {
 				for (var i = 0; i < data.length; i++) {
 					data[i] = new type(data[i])
 				}