This is the code:
let character = 'Hello';
console.log(character);
character = "World";
console.log(character);
And this is how the console looks:
My question is how is the console still able to access the “old” value
'Hello' even though the variable value has been reassigned?
its not going back in time,
- its simply going sequentially,
- its executing “one line of code at a time” and then move onto next line
if you look again its simply showing you what “value” of “character” was after executing line 1
and then after updating its value in line3, its showing its updated value in line4
hope that was helpful, ask away if you have questions, happy coding 
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