javascript - Get onload event of an angular.element iframe -


i trying onload event on added iframe. happens inside service function call. supposed download file, works fine. need wait until iframe loaded return promise resolve. reduced code problem is:

iframe = angular.element('<iframe id="blaba" style=\'position:fixed;display:none;top:-1px;left:-1px;\'/>') angular.element(document.body).append iframe # onload bind here iframe.attr('src', url)

i tried 

iframe.onload = ->         $log.info 'iframe loaded'

also

iframe.on 'load', (event) ->   $log.info 'iframe loaded'

i tried select iframe via id , bind load event on that. doesn't work. ideas or suggestions?

best regards

try

app.controller('mainctrl', () => {   var iframe = angular.element('<iframe id="blaba" height="200"/>')   angular.element(document.body).append(iframe);   // onload bind here   var url = 'test.txt';   iframe.attr('src', url);   iframe.on('load', event => console.log('iframe loaded')) });

plunker: https://plnkr.co/edit/xeaycmg6l6ng2t1zacfn?p=preview


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