Echo JS 0.11.0

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ts 113 days ago. link 3 points
Notice that `x === void 0` is not always as same as `typeof x === 'undefined'` in browser context:

console.log(document.all === void 0); // false
console.log(document.all === null); // false
console.log(document.all == void 0); // true
console.log(typeof document.all); // 'undefined'

But it does not mean anyone of them is incorrect, since there is no defined behavior for such a monster thing in ECMAScript.
MaxArt 113 days ago. link 3 points
It's just that `document.all` is a strange and obscure beast. It's a legacy "host" object of the days of Internet Explorer 4 or so.
sashee 113 days ago. link 1 point
Omg, this looks awful.

Thanks for pointing it out!