editText.setSelection(editText.getText().length());
<style>
.box {
display: flex;
}
.item {
height: 100px;
width: 100px;
border: 1px solid green;
color: green;
font-size: 50px;
line-height: 100px;
text-align: center;
}
</style>
<div class="box">
<div class="item">1</div>
<div class="item">2</div>
<div class="item item-right">3</div>
</div>
<div class="listBox">
<div class="itemBox">文章1</div>
<div class="itemBox">文章2</div>
<div class="itemBox">文章3</div>
</div><style>
.box {
display: flex;
}
.item {
height: 100px;
width: 100px;
border: 1px solid green;
color: green;
font-size: 50px;
line-height: 100px;
text-align: center;
}
</style>
<div class="box">
<div class="item">1</div>
<div class="item">2</div>
<div class="item item-right">3</div>
</div>
flowchart TD
A[开始] --> B[打开Android Studio]
B --> C[点击File菜单]
C --> D[点击Settings菜单]
D --> E[选择Editor]
E --> F[选择General]
F --> G[取消勾选"Select word at caret"]
G --> H[点击Apply按钮]
H --> I[点击OK按钮]
I --> J[结束]
// 1. 确定要操作的父元素
var parentElement = $("#parentID");
// 2. 使用选择器选中最后一个子元素
var lastChild = parentElement.children(":last-child");
// 3. 删除最后一个子元素
lastChild.remove();
public class Main {
public static void main(String[] args) {
int[] array = {1, 2, 3, 4, 5};
int lastElement = array[array.length - 1];
System.out.println("最后一个元素是：" + lastElement);
}
}
flowchart TD
A[连接到Redis] --> B[获取set中的所有元素]
B --> C[删除最后一个元素]
C --> D[更新set]
for (int i = 0; i < newArray.length; i++) {
newArray[i] = array[i];
}
node2:/var/www/html/js#cat h24.html
<ul>
<li>aaaaaaaaaaaa</li>
<li>bbbbbbbbbbbb</li>
<li>cccccccccccc</li>
<li>dddddddddddd</li>
</ul>
<script type="text/javascript" src="jquery-2.2.2.min.js"></script>
<script type="text/javascript" src="h24.js"></script>
node2:/var/www/html/js#
node2:/var/www/html/js#cat h24.js
$('ul li:last-child').css("background","red")
node2:/var/www/html/js#
function getFirstElementChild(obj) {
if(obj.firstElementChild != undefined) {
return obj.firstElementChild;
} else {
for(var i = 0; i < obj.childNodes.length; i++) {
if(obj.childNodes[i].nodeType == 1) {
return obj.childNodes[i];
}
}
}
}<body>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</body>
<script>
let ul = document.querySelector("ul");
// 2.children 实际开发的写法 既没有兼容性问题又返回第一个子元素
console.log(ul.children[0]); //获取第一个子元素节点
console.log(ul.children[ul.children.length - 1]); //获取最后一个元素节点
</script>
