Merge pull request #422 from naokie/update-4th-week-of-june

Author: naokie

src/.vuepress/public/images/sponsors/laravel.png

@@ -36,7 +36,7 @@ export default {
     },
     {
       "url": "https://www.storyblok.com",
-      "img": "storyblok.png",
+      "img": "storyblok.svg",
       "name": "Storyblok"
     }
   ],

src/.vuepress/public/images/sponsors/storyblok.png

@@ -34,10 +34,10 @@ badges:
 
 | バインディング式    | `foo` <sup>通常の属性</sup> | `draggable` <sup>列挙された属性</sup> |
 | ------------------- | --------------------------- | ------------------------------------- |
-| `:attr="null"`      | /                           | `draggable="false"`                   |
-| `:attr="undefined"` | /                           | /                                     |
+| `:attr="null"`      | -                           | `draggable="false"`                   |
+| `:attr="undefined"` | -                           | -                                     |
 | `:attr="true"`      | `foo="true"`                | `draggable="true"`                    |
-| `:attr="false"`     | /                           | `draggable="false"`                   |
+| `:attr="false"`     | -                           | `draggable="false"`                   |
 | `:attr="0"`         | `foo="0"`                   | `draggable="true"`                    |
 | `attr=""`           | `foo=""`                    | `draggable="true"`                    |
 | `attr="foo"`        | `foo="foo"`                 | `draggable="true"`                    |
@@ -60,8 +60,8 @@ badges:
 
 | バインディング式    | `foo` <sup>通常の属性</sup> | `draggable` <sup>列挙された属性</sup> |
 | ------------------- | --------------------------- | ------------------------------------- |
-| `:attr="null"`      | /                           | / <sup>*</sup>                        |
-| `:attr="undefined"` | /                           | /                                     |
+| `:attr="null"`      | -                           | - <sup>*</sup>                        |
+| `:attr="undefined"` | -                           | -                                     |
 | `:attr="true"`      | `foo="true"`                | `draggable="true"`                    |
 | `:attr="false"`     | `foo="false"` <sup>*</sup>  | `draggable="false"`                   |
 | `:attr="0"`         | `foo="0"`                   | `draggable="0"` <sup>*</sup>          |