SOPA.js

gistfile1.js

/* Created by Sahil Lavingia
   http://sahillavingia.com/ */

$(function() {		
    function alphaNumericCheck(theChar) {
        return ! ((theChar < 48) || (theChar > 122) || ((theChar > 57) && (theChar < 65)) || ((theChar > 90) && (theChar < 97)));
    }

    function censor() {
        var color = $(this).css('color'),
            string = $(this).text(),
            new_string = '',
            replace = true,
            c = '';     
      
        for (var i = 0; i < string.length; i++) {
            c = string[i];
            if (alphaNumericCheck(c)) {
                c = replace ? '█' : '';
            }
            new_string = new_string + c;
            replace = !replace;
        }
      
        if (!$(this).hasClass('dont-sopa')) {
            $(this).text(new_string);
	}
    }
	  
    $('p, span, a, small, .project li, .mark').each(censor);
    
    $('body').prepend('<div id="sopa-bar"><a href="http://en.wikipedia.org/wiki/Wikipedia:SOPA_initiative/Learn_more">Stop SOPA!</div>');

    $('head').append($('<style>', {'text': '#sopa-bar{ position:fixed;z-index:999;background:#000;color:#fff;font-weight:bold;font-family:"Helvetica Neue",Helvetica,Arial;padding:10px 0;width:300px;text-align:center;top:50px;right:-75px;-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-o-transform:rotate(45deg);-ms-transform:rotate(45deg)}#sopa-bar a{color:#fff;text-decoration:none;font-weight:bold}#sopa-bar a:hover{text-decoration:underline}'}));
});