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📜  javascript 提示 - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:02:53.728000             🧑  作者: Mango

代码示例5
var person = prompt("Please enter your name", "Harry Potter");

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