如何动态设置 JavaScript 对象值?
以下是动态设置 JavaScript 对象值的代码 −
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 { font-size: 20px; font-weight: 500; color: blueviolet; } </style> </head> <body> <h1>Set Javascript object values dynamically</h1> <div class="result"></div> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to set student object values dynamically</h3> <script> let resEle = document.querySelector(".result"); let BtnEle = document.querySelector(".Btn"); let student = { name: "Rohan", age: 22, displayInfo() { return "Name = " + this.name + " : Age = " + this.age + "<br>"; }, }; BtnEle.addEventListener("click", () => { resEle.innerHTML = student.displayInfo(); resEle.innerHTML += "<br>After changing properties <br>"; student.name = "Shawn"; student.age = 19; resEle.innerHTML += student.displayInfo(); }); </script> </body> </html>
输出
单击“点击此处”按钮后 −
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