Ajax, prevent multiple request on click

Question

I\'m trying to prevent multiple requests when user click on login or register button. This is my code, but it doesn\'t work. Just the first time works fine, then return fals

Answer 1

I've tried this and worked very fine for me, I was having trouble that $.ajax send more request until results return,

 var settings = {
    "url": "/php/auth/login.php",
    "method": "POST",
    "timeout": 0,
    "async": false,
    "headers": {
        "Content-Type": "application/json; charset=utf-8"
    },
    "data": jsondata, //data pass here is in JSON format
};
$.ajax(settings).done(function (ress) {
  try{
      console.log(ress, "Result from Ajax here");
    }
    catch(error){
      alert(error);
      console.log(ress);
    }
});

async : false worked for me. Thanks.