Weakmap And Weakset In Javascript
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Weakmap And Weakset In Javascript
// error because the “test” is not an object console.log(key2); Const weakmap = new weakmap (); Let john = { major:
All objects in a weakset 's collection are unique. Let weakmap = new weakmap(); Just as with set s, each object in a weakset may occur only once;
Let john = { major:
If no other references to an. Just as with set s, each object in a weakset may occur only once; // works fine, object key console.log(key1); // can't use string as key key2 = weakmap.set(test, oops);
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