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JavaScript JavaScript Array Iteration Methods Combining Array Methods Method Chaining

Pierre Ramirez
Pierre Ramirez
5,632 Points

Attempting to interpolate but it's not registering correctly

What I have

displayYears = years.filter(year => year >= 2001).map(year => '${year} A.D.');

So since it wasn't working I just used below and it worked but I'd like the above to work too.

displayYears = years.filter(year => year >= 2001).map(year => year+' A.D.');

app.js
const years = [1989, 2015, 2000, 1999, 2013, 1973, 2012];
let displayYears;

// displayYears should be: ["2015 A.D.", "2013 A.D.", "2012 A.D."]
// Write your code below

displayYears = years.filter(year => year >= 2001).map(year => '${year} A.D.');

1 Answer

Matthew Long
Matthew Long
28,407 Points

You have everything correct, except you need to use backticks instead of single quotes for JavaScript string interpolation:

const years = [1989, 2015, 2000, 1999, 2013, 1973, 2012];
let displayYears;

displayYears = years.filter(year => year >= 2001).map(year => `${year} A.D.`);
Pierre Ramirez
Pierre Ramirez
5,632 Points

Ahhhhh.....thank you so much. It works!