check if set has value js
const mySet = new Set();
// Add value to set
mySet.add(15);
console.log(mySet.has(33)) // expected output: false
cosole.log(mySet.has(15)) // expected output: truecheck if set has value js
const mySet = new Set();
// Add value to set
mySet.add(15);
console.log(mySet.has(33)) // expected output: false
cosole.log(mySet.has(15)) // expected output: truejavascript check if set contains
var mySet = new Set();
mySet.add('foo');
mySet.has('foo'); // returns true
mySet.has('bar'); // returns false
var set1 = new Set();
var obj1 = {'key1': 1};
set1.add(obj1);
set1.has(obj1); // returns true
set1.has({'key1': 1}); // returns false because they are different object references
set1.add({'key1': 1}); // now set1 contains 2 entriesCopyright © 2021 Codeinu
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