Record Collection: Invalid web pages linking from this page

JavaScript
#1

Two of the hints do not link to valid websites. If you have any resources that relate to those topics, you could update them. Thanks

https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/basic-javascript/record-collection

#2

Thank you for helping make FCC better. Bugs can be reported as GitHub Issues. Whenever reporting a bug, please check first that there isn’t already an issue for it and provide as much detail as possible.

#3