Uncaught TypeError: Cannot read property 'config' of undefined
window.onload = function() {
var videoUrls = window.ytplayer.config.args.url_encoded_fmt_stream_map.split(',').map(function(item) {
return item.split("&").reduce(function(pre, cur){
console.log(pre, cur);
});
});
console.log("Our extension has loaded :)", videoUrls);
}
My problem is in the following code,
window.ytplayer.config.args.url_encoded_fmt_stream_map.split(',').map(function(item)