Detail 1

Use strict mode to control how variables are created

'use strict'; // Added at the top line forces explicit declaration of variables var this_is_a_global;

function myFunction() { var and_this_is_local; }

Detail 2

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Detail 3

The following is placeholder text known as “lorem ipsum,” which is scrambled Latin used by designers to mimic real copy. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Lorem ipsum dolor sit amet, consectetur adipiscing elit.

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