Fix getRandomInt, update example

.gitignore

@@ -90,10 +90,6 @@ typings/
 # dotenv environment variables file
 .env
 
-###GitBook
+# GitBook
 # Generated book
 src/docs/_book/
-
-###Example dir
-examples/
-examples/.babelrc

.prettierignore

@@ -0,0 +1,9 @@
+.idea/
+.github/
+.editorconfig
+.gitignore
+.prettierignore
+package-lock.json
+node_modules/
+**/*.html
+*.md

examples/.babelrc

@@ -1,6 +1,3 @@
 {
-  "presets": [
-    "es2015",
-    "es2016"
-  ]
+  "presets": ["@babel/preset-env"]
 }

examples/README.md

@@ -29,3 +29,7 @@ $ cd vue-goodshare/examples
 $ npm install
 $ npm run build # or npm run watch
 ```
+
+#### Note
+
+For this example, we do not use Webpack `-p` directive (UglifyJs). Yep, `./build/script.js` is too heavy for production, but still better to understand on localhost. 

examples/build/style.css

@@ -0,0 +1,132 @@
+* {
+  box-sizing: border-box;
+}
+
+body {
+  font-size: 14px;
+  margin: 0;
+  padding: 0;
+}
+
+body,
+h1,
+h2,
+h3,
+h4 {
+  font-family: "Open Sans", Arial, sans-serif;
+  font-weight: normal;
+}
+
+h1,
+h2,
+h3,
+h4 {
+  margin: 1.5rem 0 1rem;
+}
+
+h1 {
+  font-size: 2.4rem;
+}
+
+h2 {
+  font-size: 2rem;
+}
+
+h3 {
+  font-size: 1.6rem;
+}
+
+h4 {
+  font-size: 1.2rem;
+}
+
+pre,
+code {
+  width: auto;
+  overflow-x: auto;
+  color: red;
+}
+
+pre {
+  background: #f4f4f4;
+  border-left: 10px solid #cccccc;
+  padding: 1rem;
+}
+
+pre span {
+  color: purple;
+}
+
+.slider {
+  padding: 3rem 1rem;
+  text-align: center;
+}
+
+.slider img {
+  width: 640px;
+}
+
+@supports (display: grid) {
+  .wrapper {
+    width: 100%;
+    display: grid;
+    grid-gap: 3rem;
+    grid-template-columns: 0.15fr 0.7fr 0.15fr;
+    background-color: #fefefe;
+    padding: 1rem 2.5rem 2.5rem;
+  }
+  .items {
+    width: 100%;
+    display: grid;
+    grid-gap: 15px;
+    grid-template-columns: 1fr;
+    align-items: center;
+  }
+  @media (max-width: 768px) {
+    .slider img {
+      width: 100%;
+    }
+    .wrapper {
+      grid-template-columns: 100%;
+      padding: 0.5rem;
+    }
+    .items {
+      grid-template-columns: 100%;
+    }
+  }
+}
+
+@supports not (display: grid) {
+  .wrapper,
+  .items {
+    display: flex;
+    display: -webkit-flex;
+    flex-flow: row wrap;
+    -webkit-flex-flow: row wrap;
+  }
+  .wrapper {
+    background-color: #fefefe;
+    padding: 1rem 2.5rem 2.5rem;
+  }
+  .wrapper .box-1 {
+    width: 100%;
+  }
+  .items {
+    align-items: center;
+    -webkit-align-items: center;
+    justify-content: space-between;
+    -webkit-justify-content: space-between;
+  }
+  .items > .item {
+    flex: 1 1 auto;
+    margin: 0 1rem;
+  }
+  @media (max-width: 768px) {
+    .slider img {
+      width: 100%;
+    }
+    .wrapper {
+      padding: 0.5rem;
+    }
+  }
+}