Solució Retrat Robot

var desc = "1 9W;1 1|2 1o1 1o2 1|;1@4 1U4 1@;1 1|2 3=2 1|;2 1\\5_1/";

var c = desc.split(";");
for (linea in c){
    for(i = 0; i < c[linea].length; i = i + 2){
       
        for (j = 0; j < parseInt(c[linea].charAt(i)); j++){
            caracter = c[linea].charAt(i+1);
            if(caracter == " ") caracter = "&nbsp;";
            document.write(caracter);
        }
    }
    document.write("<br>");
}