vmes-flowable/matches-selector/index.js

ceshibao

'use strict';

var proto = typeof Element !== 'undefined' ? Element.prototype : {};
var vendor = proto.matches
  || proto.matchesSelector
  || proto.webkitMatchesSelector
  || proto.mozMatchesSelector
  || proto.msMatchesSelector
  || proto.oMatchesSelector;

module.exports = match;

/**
 * Match `el` to `selector`.
 *
 * @param {Element} el
 * @param {String} selector
 * @return {Boolean}
 * @api public
 */

function match(el, selector) {
  if (!el || el.nodeType !== 1) return false;
  if (vendor) return vendor.call(el, selector);
  var nodes = el.parentNode.querySelectorAll(selector);
  for (var i = 0; i < nodes.length; i++) {
    if (nodes[i] == el) return true;
  }
  return false;
}