The console is doing some weirdness in the Build an Email Masker Lab. See the console logs from when i<9 in the while loop: attached image
the console is not doing anything weird, you are seeing the behavior of replace: if you want to replace an h it replaces the first one in the string, not the last one
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Hi @Darknoisepilot and welcome to our community!
Note that the replace method will replace the first instance which it finds of the pattern which it is searching for. So, if email[i] happens to be the character ‘h’, it will replace the first ‘h’ which it finds, even if it is not at the same index.
For future reference, if you need help with a particular challenge it’s best not to post screenshots.
Instead, please click the Help button, which appears after you have submitted incorrect code three times.
This will create a forum post which automatically includes your full code, a link to the challenge and an opportunity for you to describe your issue in detail.
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Thanks guys. Now I understand!