How to apply JQuery function to all elements except some elements?

I am kind of stuck on this one. I have webapp where I use simple JQuery plugin:

$.extend($.fn.disableTextSelect = function() {
    return this.each(fun开发者_如何学Pythonction(){
        if($.browser.mozilla){//Firefox
            $(this).css('MozUserSelect','none');
        }else if($.browser.msie){//IE
            $(this).bind('selectstart',function(){return false;});
        }else if ($.browser.webkit) { // chrome, webkit
          $(this).css('webkitUserSelect','none');
          this.onselectstart = function () { return false; };
        }else{//Opera, etc.
            $(this).mousedown(function(){return false;});
        }
    });
});

This plugin generally disables mouse text selects on all the browsers. I call it on #desktop element, which is basically main wrapper:

$('#desktop').disableTextSelect();

I use this, because it disables mouse text selects on all the elements inside #desktop. However, there are some of elements in #desktop, which I want to have normal text select behaviour. Is there some easy way how to implement code, that would make exception to the global rule ?

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JQuery supports the not() selector (here). You could use the distinguishing feature of those elements you wish to have normal behaviour, as the argument to the not() selector

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The easiest way to do this would be do do some filtering before you start your main logic.

$.extend($.fn.disableTextSelect = function() {
    return this.each(function(){
        if ($(this).parents('#excludedItems').length) { //or any other logic here
            return true; //move to the next item
        }

        if($.browser.mozilla){//Firefox
            $(this).css('MozUserSelect','none');
        }else if($.browser.msie){//IE
            $(this).bind('selectstart',function(){return false;});
        }else if ($.browser.webkit) { // chrome, webkit
          $(this).css('webkitUserSelect','none');
          this.onselectstart = function () { return false; };
        }else{//Opera, etc.
            $(this).mousedown(function(){return false;});
        }
    });
});