How to use jQuery getJSON() method

Usage of jQuery getJSON() method: [getJSON()] method uses AJAX HTTP GET request to obtain JSON data. The syntax is [$(selector).getJSON(url,data,success(data,status, xhr)】.

The operating environment of this tutorial: windows7 system, jquery3.2.1 version, this method is suitable for all brands of computers.

Definition and usage

The getJSON() method uses AJAX's HTTP GET request to obtain JSON data.

Syntax

$(selector).getJSON(url,data,success(data,status,xhr))

Example

Use Ajax request to obtain JSON data and output the result:

$(document).ready(function(){
    $("button").click(function(){
        $.getJSON("demo_ajax_json.js",function(result){
            $.each(result, function(i, field){
                $("div").append(field + " ");
            });
        });
    });
});

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