json to nested unordered list

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南旧
南旧 2021-01-27 02:33

I am trying to convert a JSON into an unordered list in jQuery.This is my JSON data.

var myJSON = \"{name:\\\"Director\\\",children:[name:\\\"Exe Director1\\\",n         


        
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  • 2021-01-27 03:09

    You can use recursive function as follows. Everytime the function is called it returns a "UL", along with its child "LI".

    function generateMenu(data) {
    
        var ul = $("<ul>");
    
            $(data).each(function (i, dir) {
                 var li = $('<li>' + dir.name + '</li>');
                 ul.append(li);
    
                if (dir.children != null && dir.children.length > 0) {
                    li.append(generateMenu(dir.children));
                }
    
            });
    
        return ul;
    };
    

    Use it as :

    $("#some-div").append(generateMenu(myJsonData));

    The Json is,

    var myJsonData = JSON.parse('{"name": "Director","children": [{ "name": "Exe Director1" },{ "name": "Exe Director2" },{"name": "Exe Director3","children": [{ "name": "Sub Director1" },{ "name": "Sub Director2" },{"name": "Sub Director3","children": [{ "name": "Cameraman 1" },{ "name": "Cameraman 2" }]}]}]}');
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  • 2021-01-27 03:15

    This is exactly what you need:

    Use the jQuery template API. This was once part of jQuery but is currently only available as plugin. However, I think jQuery will adopt this or a similar technique again soon.

    http://api.jquery.com/category/plugins/templates/

    Its super easy to use:

    $.tmpl("template", jsonObject)
    

    Here a small basic template example:

    $.tmpl(
        "<li><b>${Id}</b>${Name}</li>", 
        [{Id:1, Name:"Werner"}, {Id:2, Name:"Klaus"}]
    );
    

    This will result in the following jQuery HTML element that can be appended to anywhere:

  • 1 Werner
  • 2 Klaus
  • For your complex data, you can also iterate JSON sub objects using the "{{each}}" template notation. Here the code for your data and template:

    var data = {name:"Director",children:[{name:"Exe Director1"},{name:"Exe Director2"},{name:"Exe Director3", children:[{name:"Sub Director3_1"},{name:"Sub Director3_2"},{name:"Sub Director3_3",children:[{name:"Cameraman3_3_1"},{name:"Cameraman3_3_2"}]}]}]};
    
    var template = '\
        <ul>\
            <li>${name}\
                <ul>\
                    {{each(childindex, child) children}}\
                        <li>${child.name}\
                            <ul>\
                                {{each(child2index, child2) child.children}}\
                                    <li>${child2.name}</li>\
                                {{/each}}\
                            </ul>\
                        </li>\
                    {{/each}}\
                </ul>\
            </li>\
        </ul>\
    ';
    
    $('body').empty().append($.tmpl(template, data));
    

    Browsers Result:

    • Director
      • Exe Director1
      • Exe Director2
      • Exe Director3
        • Sub Director3_1
        • Sub Director3_2
        • Sub Director3_3
        • ...

    This can be tweaked to support full recursion by including nested templates... but im a lazy guy and the rest is todo for you.

    cheers, will

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