On 6/17/15 2:35 PM, Mark S. Miller wrote:
What do other browsers currently do?
Firefox:
> var w = new WeakMap(); var r = Symbol.for('foo'); w.set(r, true);
TypeError: r is not a non-null object
WebKit nightly:
> var w = new WeakMap(); var r = Symbol.for('foo'); w.set(r, true);
TypeError: Attempted to set a non-object key in a WeakMap
Don't have a new enough IE to test with offhand.
-Boris
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