The delete()
method removes a specified value from a
Set
object, if it is in the set.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
Syntax
mySet.delete(value);
Parameters
value
- The value to remove from
mySet
.
Return value
Returns true
if value
was already in
mySet
; otherwise false
.
Examples
Using the delete() method
const mySet = new Set();
mySet.add('foo');
mySet.delete('bar'); // Returns false. No "bar" element found to be deleted.
mySet.delete('foo'); // Returns true. Successfully removed.
mySet.has('foo'); // Returns false. The "foo" element is no longer present.
Let's checkout below how to delete an Object from a Set.
const setObj = new Set(); // Create a new set.
setObj.add({x: 10, y: 20}); // Add object in the set.
setObj.add({x: 20, y: 30}); // Add object in the set.
// Delete any point with `x > 10`.
setObj.forEach(function(point){
if (point.x > 10){
setObj.delete(point)
}
})
Specifications
Browser compatibility
BCD tables only load in the browser