remove ads in iyf webpage
这些是此脚本的所有版本。 只显示代码变更过的版本。
set timeout to wait for page loaded up
sync with web update
use clearInterval to handle case like when browse back, it sill shows ads stuff
Remove setinterval since it slows down page loading significantly. Every time the script is not working, refresh the page.
using js truthy feature
fix no removing when navigating back
