WeakSet-constructor.js (226B)
1 var list = [Number, Function]; 2 3 var ws = new WeakSet(list); 4 assertEq(ws.has(Number), true); 5 assertEq(ws.has(Function), true); 6 7 ws = new WeakSet(new Set(list)); 8 assertEq(ws.has(Number), true); 9 assertEq(ws.has(Function), true);