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JavaScript JavaScript Array Iteration Methods Array Manipulation Practice reduce()

dwayne lewis
PLUS
dwayne lewis
Courses Plus Student 5,712 Points

today ive been getting a error message stating that i removed code when i attempt the challenge.

please help

app.js
const phoneNumbers = ["(503) 123-4567", "(646) 123-4567", "(503) 987-6543", "(503) 234-5678", "(212) 123-4567", "(416) 123-4567"];
let numberOf503 = name => name.charAt(1) === "5";

const s503 = phoneNumbers.filter(numberOf503);

console.log(s503);
// numberOf503 should be: 3
// Write your code below

1 Answer

Steven Parker
Steven Parker
231,184 Points

Here's a few hints:

  • write all the new code below the comment that says "// Write your code below"
  • the final value (the count) should go in "numberOf503"
  • while there are other ways to do it, this challenge expects you to use "reduce"