In current version, this works just fine:
var let = 6;
That could work with let being a contextual keyword.
But how about:
var a = 5;
let(a = 6)
{
alert(a)
}
Currently that does:
var a = 5;
a = 6;
let(6);
//purposeless block
{
alert(a);
}
But if interpreted in ES6 the meaning changes completely.
The above snippets only cause syntax errors in strict mode but work fine
in non-strict.
How is this resolved? Will ES6 require some kind of opt-in in a script tag?
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