Wait until all jQuery Ajax requests are done

0 votes
How do I make a function wait until all jQuery Ajax requests are done inside another function?

In short, I need to wait for all Ajax requests to be done before I execute the next. But how?
May 27, 2022 in Java by Edureka
• 13,670 points
14,341 views

1 answer to this question.

0 votes

You may need to run certain code only after all Ajax requests have completed when working with many Ajax requests. To do this, use the when function in jQuery.
$.when in JQuery
It takes any number of arguments and executes once all of the parameter functions have been performed.

If you have three Ajax requests and wish to wait for all three to complete, use the code below:

$.when(ajax1(), ajax2(), ajax3()).done(function(resp1, resp2, resp3) {
    // the code here will be executed when all four ajax requests resolve.
    console.log('All 3 ajax request complete.');
});

function ajax1() {
    return $.ajax({
        url: url1,
        dataType: "json",
        data: jsonRequestData1,
        ...
    });
}

function ajax2() {
    return $.ajax({
        url: url2,
        dataType: "json",
        data: jsonRequestData2,
        ...
    });
}

function ajax3() {
    return $.ajax({
        url: url3,
        dataType: "json",
        data: jsonRequestData3,
        ...
    });
}
answered May 30, 2022 by gaurav
• 23,260 points

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