JavaScript: Get a list of elements that exist in both arrays, using a provided comparator function
JavaScript fundamental (ES6 Syntax): Exercise-209 with Solution
Common Elements by Comparator
Write a JavaScript program to get a list of elements in both arrays, using a provided comparator function.
- Use Array.prototype.filter() and Array.prototype.findIndex() in combination with the provided comparator to determine intersecting values.
Sample Solution:
JavaScript Code:
Output:
[1.5,3,0]
Flowchart:

Live Demo:
For more Practice: Solve these Related Problems:
- Write a JavaScript program that returns a list of common elements between two arrays using a custom comparator function.
- Write a JavaScript function that compares each element of one array to every element of another using a comparator and collects matches.
- Write a JavaScript program that uses a nested loop and a comparator to identify shared elements between arrays.
- Write a JavaScript function that leverages filter and some methods with a custom comparator to find intersections.
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