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Three identical values

The following task can be solved by an interaction of strict equality and a Boolean operator.


Write a function equals that checks 3 values for strict equality. The function should only return true if all 3 values are equal.

Example: equals(1, 1, 1) should return true and equals(1, 2, 1) should return false.
function equals(a, b, c) {
  // Compare a with b and a with c.
  // Connect the result of both comparisons with &&.
function equals(a, b, c) {
  return a === b && a === c;