docs(cheatsheet) adding JS specific syntax to cheatsheet

Closes #5861

modules/angular2/docs/cheatsheet/routing.md

@@ -2,18 +2,27 @@
 Routing and navigation
 @cheatsheetIndex 10
 @description
-{@target js ts}`import {RouteConfig, ROUTER_DIRECTIVES, ROUTER_PROVIDERS, ...} from 'angular2/router';`{@endtarget}
+{@target ts}`import {RouteConfig, ROUTER_DIRECTIVES, ROUTER_PROVIDERS, ...} from 'angular2/router';`{@endtarget}
+{@target js}Available from the `ng.router` namespace{@endtarget}
 {@target dart}`import 'package:angular2/router.dart';`{@endtarget}
 
 
 @cheatsheetItem
-syntax(js ts):
+syntax(ts):
 `@RouteConfig([
   { path: '/:myParam', component: MyComponent, as: 'MyCmp' },
   { path: '/staticPath', component: ..., as: ...},
   { path: '/*wildCardParam', component: ..., as: ...}
 ])
 class MyComponent() {}`|`@RouteConfig`
+syntax(js):
+`var MyComponent = ng.router.RouteConfig([
+  { path: '/:myParam', component: MyComponent, as: 'MyCmp' },
+  { path: '/staticPath', component: ..., as: ...},
+  { path: '/*wildCardParam', component: ..., as: ...}
+]).Class({
+  constructor: function() {}
+});`|`ng.router.RouteConfig`
 syntax(dart):
 `@RouteConfig(const [
   const Route(path: '/:myParam', component: MyComponent, name: 'MyCmp' ),
@@ -37,8 +46,10 @@ Creates a link to a different view based on a route instruction consisting of a
 
 
 @cheatsheetItem
-syntax(js ts):
+syntax(ts):
 `@CanActivate(() => { ... })class MyComponent() {}`|`@CanActivate`
+syntax(js):
+`var MyComponent = ng.router.CanActivate(function() { ... }).Component({...}).Class({constructor: ...});`|`ng.router.CanActivate(function() { ... })`
 syntax(dart):
 `@CanActivate(() => ...)class MyComponent() {}`|`@CanActivate`
 description:
@@ -46,35 +57,45 @@ A component decorator defining a function that the router should call first to d
 
 
 @cheatsheetItem
-syntax:
+syntax(ts dart):
 `routerOnActivate(nextInstruction, prevInstruction) { ... }`|`routerOnActivate`
+syntax(js):
+`routerOnActivate: function(nextInstruction, prevInstruction) { ... }`|`routerOnActivate`
 description:
 After navigating to a component, the router calls the component's routerOnActivate method (if defined).
 
 
 @cheatsheetItem
-syntax:
+syntax(ts dart):
 `routerCanReuse(nextInstruction, prevInstruction) { ... }`|`routerCanReuse`
+syntax(js):
+`routerCanReuse: function(nextInstruction, prevInstruction) { ... }`|`routerCanReuse`
 description:
 The router calls a component's routerCanReuse method (if defined) to determine whether to reuse the instance or destroy it and create a new instance. Should return a boolean or a {@target js ts}promise{@endtarget}{@target dart}future{@endtarget}.
 
 
 @cheatsheetItem
-syntax:
+syntax(ts dart):
 `routerOnReuse(nextInstruction, prevInstruction) { ... }`|`routerOnReuse`
+syntax(js):
+`routerOnReuse: function(nextInstruction, prevInstruction) { ... }`|`routerOnReuse`
 description:
 The router calls the component's routerOnReuse method (if defined) when it re-uses a component instance.
 
 
 @cheatsheetItem
-syntax:
+syntax(ts dart):
 `routerCanDeactivate(nextInstruction, prevInstruction) { ... }`|`routerCanDeactivate`
+syntax(js):
+`routerCanDeactivate: function(nextInstruction, prevInstruction) { ... }`|`routerCanDeactivate`
 description:
 The router calls the routerCanDeactivate methods (if defined) of every component that would be removed after a navigation. The navigation proceeds if and only if all such methods return true or a {@target js ts}promise that is resolved{@endtarget}{@target dart}future that completes successfully{@endtarget}.
 
 
 @cheatsheetItem
-syntax:
+syntax(ts dart):
 `routerOnDeactivate(nextInstruction, prevInstruction) { ... }`|`routerOnDeactivate`
+syntax(js):
+`routerOnDeactivate: function(nextInstruction, prevInstruction) { ... }`|`routerOnDeactivate`
 description:
 Called before the directive is removed as the result of a route change. May return a {@target js ts}promise{@endtarget}{@target dart}future{@endtarget} that pauses removing the directive until the {@target js ts}promise resolves{@endtarget}{@target dart}future completes{@endtarget}.