如何在 JavaScript 中解构导入对象?


以下是 JavaScript 中解构导入对象所用的代码 −

示例

 在线演示

<!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>
   body {
      font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
   }
   .result {
      font-size: 18px;
      font-weight: 500;
      color: rebeccapurple;
   }
</style>
</head>
<body>
<h1>De-structure an imported object in JavaScript</h1>
<div class="result"></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to destructure the person object</h3>
<script src="script.js" type="module"></script>
</body>
</html>

script.js

import person from "./sample.js";
let resEle = document.querySelector(".result");
let BtnEle = document.querySelector(".Btn");
let {firstName,lastName,age} = person;
BtnEle.addEventListener("click", () => {
   resEle.innerHTML = 'firstName = '+firstName+'<br>';
   resEle.innerHTML += 'lastName = '+lastName+'<br>';
   resEle.innerHTML += 'age = '+age+'<br>';
});

sample.js

export default {
   firstName:'Rohan',
   lastName:'Sharma',
   age:22,
}

输出

以上代码将生成以下输出 −

点击“单击此处”按钮后 −

更新于:21-Jul-2020

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