JQuery Ajax () method

$.ajax ({            type:"POST",//or GET, defaults to get            URL:"",//string type parameter, (default current page address) sends the requested address            data:{},            dataType://or HTML,XML
XML: Returns an XML document that can be processed with jquery.
HTML: Return plain text HTML information
JSON: Returns the JSON data. (similar to key-value pairs)
            Success:function (data) {            },            error:function (msg) {                console.log (msg);            }        });

Error

This is an Ajax event

Type: Function

Default value: Auto-Judgment (XML or HTML). This function is called when a request fails.

If an error occurs, the error message (the second argument) may also be "timeout", "error", "Notmodified", and "ParserError", in addition to being null.

JQuery Ajax () method