Created
September 10, 2017 03:33
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let.js
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| if (false) { | |
| var x = "never_assigned"; | |
| } | |
| x //=> returns undefined instead of raising error | |
| if (false) { | |
| let x = "never_assigned"; | |
| } | |
| x //=> raises a ReferenceError: x not defined |
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