this-1.js - mozsearch

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// 'this' is lexically scoped in arrow functions

var obj = {

    f: function (expected) {

        assertEq(this, expected);

        return a => this;

};

var g = obj.f(obj);

assertEq(g(), obj);

var obj2 = {f: obj.f};

var g2 = obj2.f(obj2);

assertEq(g2(), obj2);

assertEq(g(), obj);