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February 21, 2014 18:16
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<!-- SOME NOTES VIA ARI PICKER --> | |
<!doctype html> | |
<html> | |
<head> | |
<title>JSONP</title> | |
<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script> | |
</head> | |
<body> | |
<!-- <script type="text/javascript" src="https://www.govtrack.us/api/v2/role?current=true"></script> --> | |
<!-- gives the following error: SyntaxError: Unexpected token : --> | |
<!-- same error you'd get from a simple expression {'abc' : 'abc'} --> | |
<!-- SO.... the return must be formatted in jsonp --> | |
<script type="text/javascript" src="https://www.govtrack.us/api/v2/role?current=true&format=jsonp&callback=joe"></script> | |
<!--the above way of requesting from an API needs a callback function --> | |
<script type="text/javascript"> | |
function joe(data) { | |
console.log('data from joe callback: ', data) | |
} | |
</script> | |
<!-- here is your regular jsonp request via $.getJSON --> | |
<!-- $.getJSON('https://www.govtrack.us/api/v2/role?current=true&format=jsonp&callback=?') --> | |
<!-- and NOW THE MAGIC!!!!!! --> | |
<!-- you'd use the the below example, so that you're not just geting/fetching/saving | |
from the API 1 time, as you are above. you wana put the callback in a a file that says when to hit the API --> | |
<script type="text/javascript"> | |
// now specifically with this api the above request will not work because of the jQuery caching feature . . so must set cache to true using an ajax call | |
$.ajax({ | |
url: 'https://www.govtrack.us/api/v2/role?current=true&format=jsonp&callback=?', | |
cache: true, | |
dataType: 'jsonp', | |
success: function(data) {console.log('data from ajax success callback: ', data)} | |
}) | |
// or you'd use a .get/.fetch/.save | |
</script> | |
</body> | |
</html> |
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