风禾源泉html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
div {
background: yellow;
font-size: 40px;
}
</style>
</head>
<body>
<div id="qiankun">乾坤</div>
<script>
// 在子应用的入口文件中（app1.js）创建 Shadow DOM
const shadowRoot = document
.getElementById("qiankun")
.attachShadow({ mode: "open" });
// 创建一个 div 元素，并将其添加到 Shadow DOM 中
const div = document.createElement("div");
div.textContent = "This is app1";
shadowRoot.appendChild(div);
// 创建一个样式元素，并将其添加到 Shadow DOM 中
const style = document.createElement("style");
style.textContent = `
div {
background-color: red;
color: white;
font-size: 12px;
padding: 10px;
}
`;
shadowRoot.appendChild(style);
class ShadowProxy {
constructor() {
let globalObj = window;
let obj = {};
const proxy = new Proxy(obj, {
get(target, key) {
return Reflect.get(target, key) || globalObj[key];
},
set(target, key, value) {
return Reflect.set(target, key, value);
},
});
this.proxy = proxy;
}
}
window.a = 1000;
appChild = new ShadowProxy();
((window) => {
window.a = "100";
console.log(window.a);
})(appChild.proxy);
</script>
</body>
</html>