📜  提示 js - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:01:31.612000             🧑  作者: Mango

代码示例4
var person = prompt("Please enter your name", "Harry Potter");

if (person != null) {
  document.getElementById("demo").innerHTML =
  "Hello " + person + "! How are you today?";
}