jQuery: Performing synchronous AJAX requests

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刺人心
刺人心 2020-11-22 04:48

I\'ve done some jQuery in the past, but I am completely stuck on this. I know about the pros and cons of using synchronous ajax calls, but here it will be required.

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4条回答
  •  礼貌的吻别
    2020-11-22 05:28

    As you're making a synchronous request, that should be

    function getRemote() {
        return $.ajax({
            type: "GET",
            url: remote_url,
            async: false
        }).responseText;
    }
    

    Example - http://api.jquery.com/jQuery.ajax/#example-3

    PLEASE NOTE: Setting async property to false is deprecated and in the process of being removed (link). Many browsers including Firefox and Chrome have already started to print a warning in the console if you use this:

    Chrome:

    Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.

    Firefox:

    Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/

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