How to parse JSON in JavaScript/jQuery while preserving the original order

Question

How to parse JSON in JavaScript/jQuery while preserving the original order

Below is a json object that I have.

var json1 = {"00" : "00", "15" : "15", "30" : "30", "45" : "45"};

I am trying to populate a select element using the above json in the following way.

var selElem = $('<select>', {'name' : name, 'grp' : grp});
for(key in json1)
    selElem.append($('<option>', {value:key, text: json1 [key]}));

However, the resulting select element appears as shown below.

<select>
    <option value="15">15</option>
    <option value="30">30</option>
    <option value="45">45</option>
    <option value="00">00</option>
</select>

The issue here is that even though "00" is the first element in the json object, it appears last in the select element.

Is there any workaround or solution available for this problem?

javascript jquery json

Answer 1

Answer №1

To maintain the order, it is recommended to utilize an array:

var data = [{id:"001",name:"John Doe"}, 
             {id:"002",name:"Jane Smith"}, 
             {id:"003",name:"Bob Johnson"}];

You can then iterate through the array using a loop:

var list = $('<ul>');
for(var i=0; i<data.length; i++){
    list.append($('<li>', {id:data[i].id, text: data[i].name})); 
}

For further details, refer to this jsfiddle link

Answer 2

To maintain the order, it is recommended to utilize an array:

var data = [{id:"001",name:"John Doe"}, 
             {id:"002",name:"Jane Smith"}, 
             {id:"003",name:"Bob Johnson"}];

You can then iterate through the array using a loop:

var list = $('<ul>');
for(var i=0; i<data.length; i++){
    list.append($('<li>', {id:data[i].id, text: data[i].name})); 
}

For further details, refer to this jsfiddle link

How to parse JSON in JavaScript/jQuery while preserving the original order

Answer №1

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