Cree una array asociativa que contenga un par clave-valor y la tarea es eliminar los objetos de una array asociativa mediante JavaScript. Podemos eliminar objetos de la array asociativa de JavaScript usando la palabra clave delete .
Enfoque: declarar una array asociativa que contenga objetos de par clave-valor. Luego use la palabra clave delete para eliminar los objetos de array de una array asociativa.
Ejemplo 1: este ejemplo utiliza la palabra clave delete para eliminar los objetos de la array asociativa.
<!DOCTYPE html>
<html>
<head>
<title>
How to remove Objects from
Associative Array in JavaScript ?
</title>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<h3>
How to remove Objects from
Associative Array in JavaScript ?
</h3>
<script>
// JavaScript code to remove
// objects from associative array
function deleteObjects(){
// Declaring an associative
// array of objects
var arr = new Object();
// Adding objects in array
arr['key'] = 'Value';
arr['geeks'] = 'GeeksforGeeks';
arr['name'] = 'Rajnish';
// Checking object exist or not
document.write(arr['name'] + '</br>');
// Removing object from
// associative array
delete arr['name'];
// It gives result as undefined
// as object is deleted
document.write(arr['name'] + '</br>');
}
// Calling function
deleteObjects();
</script>
</body>
</html>
Producción:
Ejemplo 2: este ejemplo utiliza la palabra clave delete para eliminar los objetos de la array asociativa.
<!DOCTYPE html>
<html>
<head>
<title>
How to remove Objects from
Associative Array in JavaScript ?
</title>
</head>
<body style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<h3>
How to remove Objects from
Associative Array in JavaScript ?
</h3>
<script>
// JavaScript code to remove
// objects from associative array
function deleteObjects(){
// Declaring an associative
// array of objects
var arr = new Object();
// Adding objects in array
arr['key'] = 'Value';
arr['geeks'] = 'GeeksforGeeks';
arr['name'] = 'Rajnish';
// Checking object exist or not
document.write(arr['geeks'] + '</br>');
// Removing object from
// associative array
delete arr.geeks;
// It gives result as undefined
// as object is deleted
document.write(arr['geeks'] + '</br>');
}
// Calling function
deleteObjects();
</script>
</body>
</html>
Producción: