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josescasanova/gist:aa2aa0b7db857d5f194b

Created February 7, 2016 01:31
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gistfile1.txt
function setGlobal() {
a = 42;
}
function setLocal() {
var b = 23;
}
setGlobal();
alert(a); // 42
setLocal();
alert(b); // ReferenceError: b is not defined
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