JS Bin

// get the Char Code

function getCharCode(str){

    return str.split("").map(function(x){return x.charCodeAt(0)})

};

​

// Shift the CharCode

function myShift(x){

    if(x == 32){

        return x;

    }else{return x-1;}

};

​

// decode function

function decode(x){

  return String.fromCharCode.apply(this, getCharCode(x.innerHTML).map(myShift))

}

​

​

// print all the decoded texts in console

$('.obfuscated').each(function(index,obj){

  var s2 = decode(obj); 

  var s3 = s2.replace(/;a=/,""); 

  var s4 = s3.replace(/;.a=/,""); 

  console.log(s4);

  });

​