app/assets/javascripts/auth_key.js
$(document).ready(function(){
$('a.generate-key').click(function(){
$.post('',function(json){
console.log(json.value);
$('a.generate-key').text(json.value).unbind('click').css('font-weight','bold')
.css('color','#5a5a5a').css('font-size','20px');
})
});
});