Billy Hoffman - JSConf 2010

Billy Hoffman - JSConf 2010

Dehydrating Code
* Converts any string into whitespace
* 7 bit per character: 1 = space, 0 = tab
* \n means we are done
* 'a' = 1100001
* dehydrate('a') = space, space, tab, tab, tab, ...

function dehydrate(s) {
    var r = new Array();
    for(var i=0; i        if (s.charCodeAt(i) & (Math.pow(2, j))) {
                r.push(' ');
        } else {
            r.push('\t');
        }
    }
    r.push('\n');
    return r.join('');
}

function hydrate (s) {
    var r = []; var curr = 0;
    while(s.charAt(curr) != '\n') {
        var tmp = 0;
        for (var i=6; i>=0; i--) {
            if (s.charAt(curr) == '') tmp = tmp | (Math.pow(2, i));
            curr++;
        }
        r.push(String.fromCharCode(tmp));
    }
    return r.join('');
}


//startevil

//endevil

var html = document.body.innerHTML;
var start = html.indexOf("//start" + "tevil");
var end = html.indexOf("//end" + "evil");
eval(dydrate(html.substring(start+12, end)));