AJAX - jQuery vs JS

// jquery
$.ajax({
    url: "/api/getWeather",
    data: {
        zipcode: 97201
    },
    success: function( data ) {
        $( "#weather-temp" ).html( "<strong>" + data + "</strong> degrees" );
    }
});

// plain javascript
var ajax = new XMLHttpRequest();
ajax.onreadystatechange = function() {
    if( ajax.readyState == 4 && ajax.status == 200) {
        document.getElementById("weather-temp").innerHTML = "<strong>" + ajax.responseText + "</strong> degress";
    }
};
ajax.open("GET", "/api/getWeather?zipcode=97201", true);
ajax.send();