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Javascript search for an object key in a set
The Set class in JavaScript provides a has method to search elements in a given set object. In case you want to search for a object in a set, you need to provide the reference to that object. Identical objects with different memory addresses are not considered equal. This method can be used as follows −
Example
let mySet = new Set(); let myObj = {name: "John"} mySet.add(1); mySet.add(3); mySet.add("a"); mySet.add(myObj); console.log(mySet) console.log(mySet.has(myObj)) // Considered as a new object console.log(mySet.has({name: "John"}))
Output
Set { 1, 2, 3, 'a' } true false
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