Perhaps reading Quote and Quote-like Operators while paying particular attention to interpolation will help you understand this.

use strict;
use warnings;
use feature q/say/;

my $name = q/jone/;

say q/name is $name (non-interpolating)/;
say qq/name is $name (interpolating)/;

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In reply to Re^7: Onkeyup not working by hippo
in thread Onkeyup not working by frank1

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