How To Add Properties To Object In Javascript
How to add properties and methods to an existing object in JavaScript?
Following is the code for adding properties and methods to an existing object in JavaScript −
Case
Live Demo
<!DOCTYPE html> <html lang="en"> <caput> <meta charset="UTF-viii" /> <meta name="viewport" content="width=device-width, initial-calibration=ane.0" /> <title>Document</title> <mode> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .result { font-size: 20px; font-weight: 500; color: blueviolet; } </style> </head> <trunk> <h1>Add backdrop and methods to an existing object in JavaScript</h1> <div class="result"></div> <button form="Btn">CLICK HERE</button> <h3>Click on the higher up button to add together property and methods to student object and brandish them</h3> <script> permit resEle = document.querySelector(".event"); permit BtnEle = document.querySelector(".Btn"); permit student = { }; BtnEle.addEventListener("click", () => { student.proper noun = 'Rohan Sharma'; student.age = 16; pupil.place = 'Delhi'; educatee.displayInfo = function(){ return 'Name = '+this.name+' : Age = '+this.historic period+' : Identify = '+this.place; } resEle.innerHTML += pupil.displayInfo(); }); </script> </body> </html> Output
On clicking the 'CLICK HERE' button −
Published on 22-Jul-2020 08:03:32
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How To Add Properties To Object In Javascript,
Source: https://www.tutorialspoint.com/how-to-add-properties-and-methods-to-an-existing-object-in-javascript
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