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How to assign values to an array with null/empty objects in JavaScript?
Following is the code to assign values to an array with null/empty objects using JavaScript −
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 { font-size: 18px; font-weight: 500; color: rebeccapurple; } </style> </head> <body> <h1>Assign values to an array with null/empty objects</h1> <div class="result"></div> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to assign values to empty object inside arrObj</h3> <script> let resEle = document.querySelector(".result"); let BtnEle = document.querySelector(".Btn"); let obj = { firstName: "Rohan", lastName: "Sharma", address: "Delhi", }; let arrObj = [{}, {}, {}]; BtnEle.addEventListener("click", () => { arrObj.forEach((item, index) => { item[Object.keys(obj)[index]] = obj[Object.keys(obj)[index]]; }); console.log(arrObj); }); </script> </body> </html>
Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button and inspecting the output in console −
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