Merge pull request #3 from jsfront/master

XinHuaLuFang · XinHuaLuFang · commit 0cc282d72117 · 2015-08-13T15:16:09.000+08:00
update
diff --git a/css.md b/css.md
@@ -177,6 +177,7 @@ a{-webkit-tap-highlight-color:rgba(0,0,0,0);}
 - webkit 水平居中
 ```css
 display:-webkit-box;-webkit-box-pack:center; -webkit-box-align: center;
+position:absolute; top:50%;left:50%;transform:translate(-50%,-50%);
 ```
 - 取消chrome 搜索x提示
 ```css
@@ -265,4 +266,23 @@ user-select:none;
 </div>
 ```
 
+- 手机多终端适配 media query[web app iphone4 iphone5 iphone6 响应式布局 适配代码](http://club.zoomla.cn/PItem?id=12594)
+```css
+@media (device-height:480px) and (-webkit-min-device-pixel-ratio:2){/* 兼容iphone4/4s */
+    .class{}
+}
+@media (device-height:568px) and (-webkit-min-device-pixel-ratio:2){/* 兼容iphone5 */
+    .class{}
+}
+@media (device-height:667px) and (-webkit-min-device-pixel-ratio:2){/* 兼容iphone6 */
+    .class{}
+}
+@media (device-height:736px) and (-webkit-min-device-pixel-ratio:2){/* 兼容iphone6 Plus */
+    .class{}
+}
+```
 
+- 屏蔽苹果浏览器对数字的识别[Meta标签中的format-detection属性及含义](http://blog.sina.com.cn/s/blog_51048da70101cgea.html)
+```html
+<meta content="telephone=no" name="format-detection">
+```
diff --git a/js.md b/js.md
@@ -7,6 +7,7 @@ Math.random()*(n-m)+m
 ```
 
 - [return false](http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false)
+- [return false](http://www.75team.com/archives/201)
 ```javascript
 // event.preventDefault()会阻挡预设要发生的事件.
 // event.stopPropagation()会阻挡发生冒泡事件.
@@ -16,6 +17,13 @@ Math.random()*(n-m)+m
 // 停止callback function的执行并且立即return回来
 ```
 
+- 防止被Iframe嵌套
+```javascript
+if(top != self){
+    location.href = ”about:blank”;
+}
+```
+
 - 两种图片lazy加载的方式
 第一个By JS中级交流群 成都-猎巫 第二个By 上海-zenki 
 ```javascript
diff --git a/qq.md b/qq.md
