Set has() method
has()
method is used to check if the specified value is present in the set or not.
mySet.delete();
mySet
is a set object.has
is method name.
The has()
method returns a boolean value of true
if the specified value is present, or false
if the specified value is not present.
Examples
1. Check if the value 'e'
is present in the vowels
set.
const vowels = new Set(['a', 'e', 'i', 'o', 'u']);
if ( vowels.has('e') ) {
console.log('value is present in set');
} else {
console.log('value is not present in set');
}