Instagram post comments

[digao_go]

Hi friend.

I need login in instagram and post comments. But i am try input comment submit and not working. I try using google chrome too:

$("form").children().trigger({type: 'keydown', which: 13, keyCode: 13}); not working

$('._7uiwk._qy56y').submit(); //not work.

How submit this input in javascript/phantomjs

Ths for help-me