$.fn.bgChange

by fellipe

HTML

<div class="box1">box 1</div>
<div class="box1">box 1</div>

<div class="box2">box 2</div>

CSS

div{
    background-color:#ddd;
    display:block;
    margin-bottom:5px;
    width:100%;
    height:80px;
}

JavaScript

(function( $ ){
    $.fn.bgChange = function( options ) {  

        var settings = {
          'bg' : '#fff'
        };
        
        //tenta mudar o bgcolor de todos elements informados
        if (options){
            $.extend(settings, options);
        }
        
        $(this).css("background-color", settings.bg);
    };
})( jQuery );

$(".box1").bgChange({bg: "#f00"}); //vermelho
$(".box2").bgChange({bg: "#00f"}); //azul