console 命令行工具 X clear

console

var data=Date()
//console.log(data)

function disp_prompt()
{	
	for(var i=1;i<3;i++){//循环弹出窗口进行输入信息
		var msg=prompt("请输入学号 姓名 三个成绩"); 
		var msgArray=msg.split("");//使用split函数可以删除字符串中的特定字符
		document.write(msgArray+"</br>"); //"</br>"可以在循环中实现换行效果
	}
}
//var a1=disp_prompt();

function getNowFormatDate() {
        var date = new Date();
        var seperator1 = "-";
        var year = date.getFullYear();
        var month = date.getMonth() + 1;
        var strDate = date.getDate();
        var hours = date.getHours();
        var minutes = date.getMinutes();
        var seconds = date.getSeconds();
        if (month >= 1 && month <= 9) {
            month = "0" + month;
        }
        if (strDate >= 0 && strDate <= 9) {
            strDate = "0" + strDate;
        }
        var currentdate = year + seperator1 + month + seperator1 + strDate+" "+hours+ seperator1 + minutes + seperator1 + seconds;
        console.log(currentdate)
        console.log(year+"."+month+"."+strDate)
        return currentdate;
       
    }
var a2=getNowFormatDate();

<!DOCTYPE html>
<html lang="zh-CN">
  
  <head>
    <meta charset="UTF-8">
    <title>定义组件、注册全局组件、使用组件</title>
    <!-- 父组件向子组件通信 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js">
    </script>
  </head>
  
  <body>
    <div id="app">
      <z1 :title="msg">
      </z1>{{msg}}</div>
    <script type="text/javascript">const instroduce = {
        template: "<h2>{{title}}</h2>",
        props: ["title"]
      };
      Vue.component("z1", instroduce);

      var app = new Vue({
        el: "#app",
        data: {
          msg: "你好"
        }
      })</script>
  </body>

</html>