Playing with browser console

fun.js

// Copy paste this into chrome/ff console

class StackOverflow_Answers {        
    get Open_javascript_console_without_blah_bah() {
        window.open("https://google.com/")
        return false;
    }
    get How_do_I_print_from_javascript_I_am_dumb() {
        window.open("https://google.com/")
        return false;
    }
}

class Github_Issues {        
    get Example_of_doing_something_cool() {
        window.open("https://google.com/")
        return false;
    }
    get My_error_output() {
    Object.assign(document.createElement('a'), { target: '_blank', href: 'http://wanderingstan.com'}).click();
        return false;
    }
}

window.onerror = function(msg, url, linenumber) {
	console.error(
		"%cError Central Insights\n", 
		"color: Green; font-weight: bold; font-family: Arial, Helvetica; font-size: small;", 
		new StackOverflow_Answers(), 
		new Github_Issues()
	);	
	return true;
}

console.error(
	"%cError Central Insights\n", 
	"color: Green; font-weight: bold; font-family: Arial, Helvetica; font-size: small;", 
	new StackOverflow_Answers(), 
	new Github_Issues()
);