1. 创建线程的三种方法及其区别 1.1 继承Thread类 首先,定义Thread类的子类并重写run()方法: package com.zwwhnly.springbootaction.javabase.thread; public class MyFirstThread extends Thread { @Override public void run() { for (int i = 0; i < 5; i++) { System.out.printf("[MyFirstThre
方法简介: empty() This method removes not only child (and other descendant) elements, but also any text within the set of matched elements. This is because, according to the DOM specification, any string of text within an element is considered a child no
使用express创建node服务器有两种方法,如下所示: 方法一: var express = require('express'); var app = express(); app.listen(', function () { console.log("The server is running at *: 3000"); }); 这是我们常用的一种创建node服务器的方式. 写vue项目时使用的vue-cli脚手架使用的就是这种创建方式. 方法二: var express