JavaScript count duplicates in an Array of objects | Example code
JavaScript Array and its functions - map(), reduce() and filter() ~ DevinLine - full stack development
filterToQueryString - JavaScript function to turn current filter into a query string - Peterbe.com
Filtering Object from DevTool console (javascript) - Stack Overflow
GitHub - bluet/obj-filter: JavaScript Object Filter. Deep filtering key/content recursively. Support wildcard, nested, and filter function in template.