web/assets/app.js
function(elem) {
    var pattern = new RegExp(_filterValue, 'i');
    var element = elem;
    if (pattern.test(element.textContent)) {
      element.style.display = '';
    } else {
      element.style.display = 'none';
    }
  }
function(elem) {
    var pattern = new RegExp(_filterValue, 'i');
    var element = elem;
    if (pattern.test(element.textContent)) {
      element.style.display = '';
    } else {
      element.style.display = 'none';
    }
  }
Hide element if doesn't contain filter value

@param {Object} element
@private