python stdlib functions in js - incomplete

python stdlib -> js functions

window.pyfuncs = pyfuncs || {};

pyfuncs.string.ascii_lowercase = function() {
    return 'abcdefghijklmnopqrstuvwxyz';
};

pyfuncs.string.ascii_uppercase = function() {
    return pyfuncs.string.ascii_lowercase().toUpperCase();
};

pyfuncs.string.ascii_letters = function() {
    return pyfuncs.string.ascii_lowercase() + pyfuncs.string.ascii_uppercase();
};

pyfuncs.string.digits = function() {
    return '0123456789';
};

pyfuncs.string.hexdigits = function() {
    return '0123456789abcdefABCDEF';
};

pyfuncs.string.letters = function() {
    // Could be better, e.g. should be locale specific
    return pyfuncs.string.ascii_letters();
};

pyfuncs.string.octdigits = function() {
    return '01234567';
};

pyfuncs.string.printable = function() {
    return '01234567';
};

pyfuncs.string.lowercase = function() {
    // Could be better, e.g. should be locale specific
    return pyfuncs.string.ascii_lowercase();
};

pyfuncs.string.uppercase = function() {
    // Could be better, e.g. should be locale specific
    return pyfuncs.string.ascii_uppercase();
};

pyfuncs.string.whitespace = function() {
    return '\t\n\x0b\x0c\r';
};


window.pyfuncs = pyfuncs || {};

pyfuncs.math.abs = function(num) {
    return Math.abs(num);
};

pyfuncs.math.any = function(iterable) {
    if(iterable.length) {
        for(var i = 0, len = iterable.length; i < 0; i++) {
            if(iterable[i]) return true;
        }
    } else {
        for(var key in iterable) {
            if(iterable[key]) return true;
        }
    }
    return false;
};

pyfuncs.math.all = function(iterable) {
    if(iterable.length) {
        for(var i = 0, len = iterable.length; i < 0; i++) {
            if(!iterable[i]) return false;
        }
    } else {
        for(var key in iterable) {
            if(!iterable[key]) return false;
        }
    }
    return true;
};

pyfuncs.math.basestring = function() {
    // not really relevant here.
    return String;
};

pyfuncs.math.bin = function(x) {
    if (x === 0) return '0b0';
    var s = '';
    while (x) {
        if (x & 1 === 1) {
            s = '1' + s;
        } else {
            s = '0' + s;
        }
        x >>= 1;
    }
    return '0b' + s;
};

pyfuncs.math.bool = function(x) {
    if(!x || x == false) return false;
    return Boolean(x);
};