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andrew , 8 months ago <span style="color:#323232;">var a; </span><span style="color:#323232;">(function() { </span><span style="color:#323232;"> a='hoisted'; </span><span style="color:#323232;"> console.log(a); </span><span style="color:#323232;"> var a; </span><span style="color:#323232;">})() </span><span style="color:#323232;">console.log(a); </span> Should log hoisted and then undefined, showing that you’ve assigned to the later-declared var a which was hoisted vs the external global a.
<span style="color:#323232;">var a; </span><span style="color:#323232;">(function() { </span><span style="color:#323232;"> a='hoisted'; </span><span style="color:#323232;"> console.log(a); </span><span style="color:#323232;"> var a; </span><span style="color:#323232;">})() </span><span style="color:#323232;">console.log(a); </span>
Should log hoisted and then undefined, showing that you’ve assigned to the later-declared var a which was hoisted vs the external global a.
hoisted
undefined
var a
a