Equalize col heights using JS

App.js

// Equalize column heights on BS3 version using JS
// https://stackoverflow.com/questions/23287206/same-height-column-bootstrap-3-row-responsive

// EXAMPLE:
// Equalize heights on BS4 cards
$( document ).ready(function() {
    var heights = $(".card").map(function() {
        return $(this).height();
    }).get(),
    maxHeight = Math.max.apply(null, heights);
    $(".card").height(maxHeight);
});