Just found this, called blah.js, in my ~/Development

hello.js

alert("                                                                        	                                                                                                     	                                                                                                            	                                                                                                            	                                                                                                               	                                            	                                	                                                                                                                       	                                                                                                               	                                                                                                                  	                                                                                                            	                                                                                                    	                                 ".replace(/ */g,function(a){return String.fromCharCode(a.length)}).replace(/\t/g,''));