绿色父母宽度将根据设备宽度而变化.我需要所有的盒子都在父母的中心.
我已经尝试了以下的东西,但它没有帮助我.
试验1
Parent {text-align:center} box {display:inline-block}.
试用2
Parent {text-align:center} box{float:left}.
这导致了以下输出
试验3
Parent {display:flex} box -> justify-around & justify-between也没有奏效.
.parent {
text-align: center;
}
.item {
display: inline-block;
width: 100px;
height: 100px;
background: red;
}Run Code Online (Sandbox Code Playgroud)
<div class="parent">
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
</div>Run Code Online (Sandbox Code Playgroud)
任何有关这方面的帮助将不胜感激.
我们如何将手机设置为仅限肖像并允许平板电脑在纵向和横向之间切换?
我正在使用Ionic/Cordova.
目前我已配置使用以下属性在config.xml中将应用程序设置为纵向模式
<preference name="orientation" value="portrait" />
Run Code Online (Sandbox Code Playgroud) 我有一个对象数组
说,
var fruits = [
{name:'apple', capital:'sample'},
{name:'Tomato', capital:'sample'},
{name:'jack fruit', capital:'sample'},
{name:undefined, capital:'sample'},
{name:'onion', capital:'sample'},
{name:'Mango', capital:'sample'},
{name:'Banana', capital:'sample'},
{name:'brinjal', capital:'sample'}
];
Run Code Online (Sandbox Code Playgroud)
我需要按名称对数组进行升序排序
如果数组有undefined,那么该对象应该被推到排序列表的末尾。
预期输出
var fruits = [
{name:'apple', capital:'sample'},
{name:'Banana', capital:'sample'},
{name:'brinjal', capital:'sample'},
{name:'jack fruit', capital:'sample'},
{name:'Mango', capital:'sample'},
{name:'onion', capital:'sample'},
{name:'Tomato', capital:'sample'},
{name:undefined, capital:'sample'}
];
Run Code Online (Sandbox Code Playgroud)