为什么在我的浏览器中，当我首先运行我的 java 脚本文件时，它会在 body 中加载文本，但是当我在 stackoverflow javascript 片段工具中运行它时，它运行正常。
var name= prompt("enter your name");
var age= prompt("enter your age");
var pet_name= prompt("enter your fav pets name");
alert("hi "+name+" your age is "+age+"and you love"+pet_name);
console.log("hi "+name+" your age is "+age+"and you love"+pet_name);<!DOCTYPE html>
<html>
<head>
<title>testing javascript</title>
</head>
<body>
<h4>Testing of my first java script</h4>
<script type="text/javascript" src="test_1.js"></script>
</body>
</html>最佳答案
我相信这是因为警报、确认和提示都是“阻塞”函数，并且在渲染发生的同时调用它们，尝试将代码放在 setTimeout 或文档准备好中:
document.addEventListener("DOMContentLoaded", function(event) {
// your code
});
或
var delayedScript = function() {
// your code
}
setTimeout(delayedScript, 500);
https://developer.mozilla.org/en-US/docs/Web/API/Window/prompt#Notes
Dialog boxes are modal windows; they prevent the user from accessing the rest of the program's interface until the dialog box is closed
关于Javascript 首先执行，然后在正文中加载文本，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/45449145/