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Posted By

kendsnyder on 03/29/11


Tagged

json JSONP


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notturnale


JSONP Request

 / Published in: JavaScript
 

Using .join('&') because with long strings it will take less processing and memory to build an array than to build a string.

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  1. function doJsonp(url, data, callback) {
  2. 	data.callback = callback;
  3. 	var get = [];
  4. 	for (var field in data) {
  5. 		get.push(encodeURIComponent(field) + '=' + encodeURIComponent(data[field]));
  6. 	}
  7. 	var script = document.createElement('script');
  8. 	script.setAttribute('type', 'text/javascript');
  9. 	script.setAttribute('src', url + '?' + get.join('&'));
  10. 	document.head.appendChild(script);
  11. }

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