Posted By

twoism on 04/30/08

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Last Edited at 04/30/08 11:51am

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JQuery XSS JSONP

/ Published in: JavaScript

After having trouble with xss and .getJSON() I wrote this. Solved my problems so here you go.

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Copy this code and paste it in your HTML

$.fn.jsonp = function(params) { 
	var qs 	= '?callback='+params.callback;
	if (params.data) {          				
		for(var v in params.data) {
			qs += ('&'+v+'='+params.data[v]);
		}
	}
	var url 		= params.url+qs;  
	var time 		= new Date().getTime().toString();
	url 	   	   += ('&'+ time);             
	var tag 		= $('<script type="text/javascript" src="'+url+'" id="'+time+'">');
	var scriptTag = $(this).append(tag);
	return $(tag);
}
function boo(res) {
	alert('loaded!')
}               
$(document).ready(function(){
	params = {
		callback:'boo',
		data:{
			q:'test'
		},
		url:'http://somesite.com/jsonp'
	};
	$('body').jsonp(params);
});