Dropdown not work

hey guyz

page will freeze
any one have idea ?

regards

We need more information that than. Are there any errors in the dev tools? What are you trying to do when the app freezes? Can you replicate it in a small demo?

hey and sorry for reply too late ,
first my problem was that i have about 6 dropdwon in one page so when i load the app it freeze but when i load 2 or less it work fine
i fix by after the first load it call the second to load and so on so it work fine
Regards