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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// let is usable as a variable with var, but not let or ES6 const
(function (){
assertEquals(undefined, let);
var let;
let = 5;
assertEquals(5, let);
(function() { var let = 1; assertEquals(1, let); })();
assertEquals(5, let);
})();
assertThrows(function() { return let; }, ReferenceError);
(function() {
var let, sum = 0;
for (let in [1, 2, 3, 4]) sum += Number(let);
assertEquals(6, sum);
(function() { for (var let of [4, 5]) sum += let; })();
assertEquals(15, sum);
(function() { for (var let in [6]) sum += Number([6][let]); })();
assertEquals(21, sum);
for (let = 7; let < 8; let++) sum += let;
assertEquals(28, sum);
assertEquals(8, let);
(function() { for (var let = 8; let < 9; let++) sum += let; })();
assertEquals(36, sum);
assertEquals(8, let);
})();
assertThrows(function() { return let; }, ReferenceError);
(function () {
let obj = {};
var {let} = {let() { return obj; }};
let().x = 1;
assertEquals(1, obj.x);
})();
(function() {
function let() {
return 1;
}
assertEquals(1, let());
})()
assertThrows('for (let of []) {}', SyntaxError);
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