Use jsonp to perfectly solve cross-domain problems_javascript skills

Call the web interface, get request, and find the prompt: No 'Access-Control-Allow-Origin' header is present on the requested resource.

This is related to the security mechanism, cross-domain calls are not allowed by default

Processing method: Use jsonp format, ajax request parameter dataType:'JSONP'.

Copy code The code is as follows:

$.ajax({
​ ​ url: "http://.......",
        type: 'GET',
         dataType: 'JSONP',//here
Success: function (data) {

}
});

Hey, this is really difficult for those who don’t know it, but it’s not difficult for those who know it. A simple line of code solves this big problem. . . . Cry~