deg2binTable

deg2binTable.js

function deg2binTable(num, pow) {
    var result = [];
    var maxNum = Math.pow(2, pow - 1);

    for(var i = 0; i <= num; i++)
    {
        var target = i;
        var nesNum = maxNum;
        var packing = "";
        var str = "";

        while(target < nesNum) { packing += "0"; nesNum >>= 1; }
        while(target > 0)
        {
            str += "" + (target & 1);
            target >>= 1;
        }
        str += packing;
        result.push(str.reverse(str));
    }

    return result;
}

String.prototype.reverse = function(str)
{
    result = "";
    for(var i = str.length - 1; i >= 0; i--)
    {
        result += str[i];
    }
    return result;
}