对没有一个键的对象进行解构
以下是对没有一个键的对象进行解构的代码 −
示例
<!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,.sample { font-size: 18px; font-weight: 500; color: rebeccapurple; } .result { color: red; } </style> </head> <body> <h1>De structuring an object without one key.</h1> <div class="sample">{"firstName":"Rohit","lastName":"Sharma","age":22}</div> <div class="result"></div> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to destructure the above object</h3> <script> let resEle = document.querySelector(".result"); let obj = { firstName: "Rohit", lastName: "Sharma", age: 22, }; let { firstName, ...restParam } = obj; document.querySelector(".Btn").addEventListener("click", () => { resEle.innerHTML += "firstName = " + firstName + "<br>"; resEle.innerHTML += "restParam.lastName = " + restParam.lastName + "<br>"; resEle.innerHTML += "restParam.age = " + restParam.age + "<br>"; }); </script> </body> </html>
输出
以上代码将产生以下输出 −
点击“点击这里”按钮 −
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