Is there an elegant way of passing an object of parameters into a function?

Javascript Web Development Object Oriented Programming

Following is the code to pass an object of parameters to a function −

Example

<!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;
   }
   .sample {
      color: red;
   }
</style>
</head>
<body>
<h1>Passing an object of parameters into a function</h1>
<div class="result"><br /></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to add 4 object values by passing them to a function</h3>
<script>
   let resEle = document.querySelector(".result");
   let BtnEle = document.querySelector(".Btn");
   function addNum({ a, b, c, d }) {
      return a + b + c + d;
   }
   let obj = {
      a: 22,
      b: 33,
      c: 7,
      d: 9,
   };
   BtnEle.addEventListener("click", () => {
      resEle.innerHTML = " The sum of the parameters = " + addNum(obj);
   });
</script>
</body>
</html>

Output

The above code will produce the following output −

On clicking the ‘CLICK HERE’ button −

AmitDiwan

Updated on: 21-Jul-2020

36 Views

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