So it might be that the Set .has() is using == for comparing equality (not sure though). Is there a .contains() method for Set() in JS like Java ... ... <看更多>

clear() – removes all elements from the Set object. delete(value) – deletes an element specified by the value. entries() – returns a new Iterator that contains ... ... <看更多>

set.has(a, b). Checks to see if the set contains (a, b). Note that sets use reference equality, so object literals with the same value aren't ... ... <看更多>

In this video we will look at some of the new data structures.ES6 Introduced Maps and Sets to JavaScript ... ... <看更多>

DAY4-Javascript Set和Map (上) - Jason Zheng. ... Set [ 1 ] mySet.add(5); // Set [ 1, 5 ] mySet.has(1); // true mySet.has(2); // false ... ... <看更多>