save data to database with click of button/link - php

Question

I am making a simple jQuery mobile app, where one of the pages is about a restaurant.
On that page, I want to have a button that, when clicked, saves the information of the restaurant to a database.
I already have a php code that can save data to my database, and i have this javascript code that works together with it.
Though this is used for saving data from a google maps infowindow when closed. I just need a on click button.
var url = "phpsqlinfo_addrow.php?name=" + name + "&address=" + address + "&description=" + description + "&lat=" + latlng.lat() + "&lng=" + latlng.lng();
downloadUrl(url, function (data, responseCode) {
if (responseCode == 200 && data.length <= 1) {
infowindow.close();
document.getElementById("message").innerHTML = "Location added.";
}
}
What is the easiest approach to this?
Thanks.
EDIT:
Is it possible to do like this, if i create a button with id #btn_save :
$(document).ready(function() {
$(document).on("click","#btn_save",function() {
"phpsqlinfo_addrow.php?name=" + john + "&address=" + lolstreet 12 +
"&description=" + this is restaurant john + "&lat=" + xx.xx() +
"&lng=" + yy.yy();
}); });
Sorry, i know i should be learning the basics first.. :/

Answer 1

If I understood correctly, you need to add button onClick event handler? If so, here you go (using jquery 1.9+):
$(document).ready(function() {
//onClick event handler for button with id "btn_save"
$(document).on("click","#btn_save",function() {
//Your code here
});
});