prevent
prevent is defaultly use for to reduce the reload submitting button.
object entries() you can take key , and value ,entry in seprate .

return
in return can't run the loop for each and for of use ternary operator .

object.value ()show the exact value in the object inside.

in cheack box []sql click toggle like tick,dot ect... use .

on input ---> input="text' user can give give text.
on change ---> use for checkbox box .

.map() ---> transform vistit each element in the array & create new array .