modernizr/src/inputElem.js

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

define(['createElement'], function(createElement) {
  /**
   * since we have a fairly large number of input tests that don't mutate the input
   * we create a single element that can be shared with all of those tests for a
   * minor perf boost
   *
   * @access private
   * @returns {HTMLInputElement}
   */
  var inputElem = createElement('input');
  return inputElem;
});