GaoDeToBaiDu

 /**
  *  
  */
 function gaoDeToBaidu( gd_lon,  gd_lat) {
    var bd_lat_lon = [];
    var PI = 3.14159265358979324 * 3000.0 / 180.0;
    var x = gd_lon, y = gd_lat;
    var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * PI);
    var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * PI);
    bd_lat_lon[0] = z * Math.cos(theta) + 0.0065;
    bd_lat_lon[1] = z * Math.sin(theta) + 0.006;
    return bd_lat_lon;
}

var result=gaoDeToBaidu(116.31543159,39.98333939);
for(var i=0;i<result.length;i++){
    console.log(result[i])
}