/* * Call the trap with the handler as the this value, the target as the first * argument, the name of the property as the second argument, the value as the * third argument, and the receiver as the fourth argument */ var target = {}; for (var key of ['foo', Symbol.for('quux')]) { var handler = { }; for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) { handler.set = function (target1, name, val, receiver) { assertEq(this, handler); assertEq(target1, target); assertEq(name, key); assertEq(val, 'baz'); assertEq(receiver, p); called = true; } var called = false; p[key] = 'baz'; assertEq(called, true); } }