Search plugin with multi words support (solution in this post) about jstree HOT 4 CLOSED

"search": {
    "case_insensitive": true,
    "show_only_matches": true,
    "search_callback": function(str, node) {

      //search for any of the words entered
      var word, words = [];
      var searchFor = str.toLowerCase().replace(/^\s+/g, '').replace(/\s+$/g, '');
      if (searchFor.indexOf(' ') >= 0) {
        words = searchFor.split(' ');
      } else {
        words = [searchFor];
      }
      for (var i = 0; i < words.length; i++) {
        word = words[i];
        if ((node.text || "").toLowerCase().indexOf(word) >= 0) {
          return true;
        }
      }
      return false;
    }

  },
  plugins: ["search", "wholerow"]`

/*

 * jsTree search plugin

 * Enables both sync and async search on the tree

 * DOES NOT WORK WITH JSON PROGRESSIVE RENDER

 */

(function ($) {

    $.expr[':'].jstree_contains_multi = function(a,i,m){

        var word, words = [];
        var searchFor = m[3].toLowerCase().replace(/^\s+/g,'').replace(/\s+$/g,'');
        if(searchFor.indexOf(' ') >= 0) {
            words = searchFor.split(' ');
        }
        else {
            words = [searchFor];
        }
        for (var i=0; i < words.length; i++) {
            word = words[i];
            if((a.textContent || a.innerText || "").toLowerCase().indexOf(word) >= 0) {
                return true;
            }
        }
        return false;

    };

    $.expr[':'].jstree_contains = function(a,i,m){

        return (a.textContent || a.innerText || "").toLowerCase().indexOf(m[3].toLowerCase())>=0;

    };