tinymce.full.js
function (selector) {
        var self = this, i, l, matches = [], item, match;

        // Compile string into selector expression
        if (typeof selector === "string") {
          selector = new Selector(selector);

          match = function (item) {
            return selector.match(item);
          };
        } else {
          // Use selector as matching function
          match = selector;
        }

        for (i = 0, l = self.length; i < l; i++) {
          item = self[i];

          if (match(item)) {
            matches.push(item);
          }
        }

        return new Collection(matches);
      }
function (selector) {
        var self = this, i, l, matches = [], item, match;

        // Compile string into selector expression
        if (typeof selector === "string") {
          selector = new Selector(selector);

          match = function (item) {
            return selector.match(item);
          };
        } else {
          // Use selector as matching function
          match = selector;
        }

        for (i = 0, l = self.length; i < l; i++) {
          item = self[i];

          if (match(item)) {
            matches.push(item);
          }
        }

        return new Collection(matches);
      }
function ( selector ) { var self = this , i , l , matches = [ ] , item , match ; // Compile string into selector expression if ( typeof selector === "string" ) { selector = new Selector ( selector ) ; match = function ( item ) { return selector . match ( item ) ; } ; } else { // Use selector as matching function match = selector ; } for ( i = 0 , l = self . length ; i < l ; i ++ ) { item = self [ i ] ; if ( match ( item ) ) { matches . push ( item ) ; } } return new Collection ( matches ) ; }
Filters the collection item based on the specified selector expression or selector function.

@method filter
@param {String} selector Selector expression to filter items by.
@return {tinymce.ui.Collection} Collection containing the filtered items.
Filters the collection item based on the specified selector expression or selector function .