Premise: import related js file jquery.js

Seven-letter $.post (url, data, data, textStatus, jqXHR), dataType)

Url: required. Specify the URL to which the request is sent.

Data: optional. Map or string values. Specifies the data to be sent to the server along with the request.

Success (data, textStatus, jqXHR) : optional. The callback function that executes when the request succeeds.

DataType: performs intelligent judgment (XML, json, script, or HTML) by default.

Seven-letter $. GetJSON (url, data, data, textStatus, XHR))

Url: required. Specify which URL the request will be sent to.

Data: optional. Specifies the data to be sent to the server along with the request.

Success (data, the status, XHR) :

Optional. Specifies the function to run when the request succeeds.

Additional parameters:

Response - contains the resulting data from the request Status - contains the status of the request XHR - contains the XMLHttpRequest object

The extension is written as:

$.ajax({

type:'POST' or 'GET',

url:url,

data:data,

success:callback,

dataType:json

});

There are several types of dataType: XML, json, script, or HTML

Note:

When using the $.getjson method, if there are Chinese characters in the url to be escaped first (if not escaped, ie8 under $_GET[‘v’] will not get the value, other browsers do not have this problem)

Eg:

Var url = ”. / API PHP? Op =product&v=“+encodeURIComponent(’ study hard ’);