Jquery method of operating json: 1. "$.parseJSON(jsonString)" 2. "$.getJSON(url, data, success)"; 3. "$.each(obj, callback)"; 4. "$.ajax()".
In jQuery, you can use the following methods to manipulate JSON data:
1. `$.parseJSON(jsonString)`: Convert a Convert JSON string to JavaScript object. For example:
var jsonString = '{"name":"John", "age":30, "city":"New York"}';
var jsonObject = $.parseJSON(jsonString);
console.log(jsonObject.name); // 輸出：John2. `$.getJSON(url, data, success)`: Get JSON data from the server and convert it into a JavaScript object. For example:
$.getJSON("data.json", function(data) {
console.log(data.name); // 輸出：John
});3. `$.each(obj, callback)`: Traverse a JavaScript object or array and execute the callback function on each element. For example:
var jsonObject = {"name":"John", "age":30, "city":"New York"};
$.each(jsonObject, function(key, value) {
console.log(key + ": " + value);
});4. `$.ajax()`: Use AJAX to get JSON data from the server and perform more complex operations. For example:
$.ajax({
url: "data.json",
dataType: "json",
success: function(data) {
console.log(data.name); // 輸出：John
}
});These are some commonly used jQuery methods for manipulating JSON data. Depending on your specific needs, you can choose a method that suits you to manipulate JSON data.
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