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How to add, access, delete, JavaScript object properties?
Following is the code to add, access and delete JavaScript object properties −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title&g;Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.result {
font-size: 20px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>Add, Access, Delete, JavaScript object properties</h1>
<div class="sample"></div>
<div style="color: green;" class="result"></div&g;
<button class="Btn">CHECK</button>
<h3>
Click on the above button to add, access and delete properties.
</h3>
<script>
let resEle = document.querySelector(".result");
let obj = {
firstName:'Rohan',
lastName: 'Sharma',
Age:'22',
}
document.querySelector(".Btn").addEventListener("click", () => {
obj.school = 'Ryan International' ;
resEle.innerHTML = 'Adding property school :' + obj.school + '<br>';
resEle.innerHTML += 'Accessing property : obj.firstName = ' + obj.firstName + '<br>';
delete obj.firstName;
resEle.innerHTML += 'Deleting propery : firstName -' + obj.firstName + '<br>';
});
</script>
</body>
</html>
Output
The above code will produce the following output −
On clicking the ‘CHECK’ button −
Updated on: 2020-07-16T07:02:23+05:30
163 Views
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