Simplest solution for Synchronous XMLHttpRequest is deprecated and add a waiting circle gif animation while javascript do ajax call to php [duplicate]

Question

My current code is :

var dataReceiveString = $.ajax({ url: "getDataReceiveString.php?"+param, dataType: "text", async: false }).responseText; // code that make use of dataReceiveString ;

The obvious choice of changing false to true does not work.

How should the code be rearranged ?

Also to add a waiting circle gif animation while javascript do ajax call to php.

edit : question is different from Execute function after Ajax call is complete as avoiding use of async:false.

edit : question is different from How do I return the response from an asynchronous call? as it's too generic and not targetted to my question.

Basically add success: function(data) { /* Do something with your response data */ } after async: false, — MauriceNino
– MauriceNino, Commented Sep 25, 2019 at 9:36

Mosè Raguzzini · Accepted Answer · 2019-09-25 09:43:28Z

If you want to make it sync you can always rely to async functions:

 async function doAjax(args) { let result; try { result = await $.ajax({ url: ajaxurl, type: 'POST', data: args }); // code that make use of dataReceiveString return result; } catch (error) { console.error(error); } }

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Simplest solution for Synchronous XMLHttpRequest is deprecated and add a waiting circle gif animation while javascript do ajax call to php [duplicate]

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