RSelenium: get all possible values of a drop down menu
To get all possible values of a drop down menu using RSelenium, leverage the selectTag
function after finding the element as described here:
```{r}
<- remDr$findElement(using = 'xpath', "//select[@name='txtTargetToMm']")
webElem <- webElem$selectTag()
opts
> opts$text
1] "JANUARY" "FEBRUARY" "MARCH" "APRIL" "MAY" "JUNE" "JULY" "AUGUST"
[9] "SEPTEMBER" "OCTOBER" "NOVEMBER" "DECEMBER"
[> opts$value
1] "1" "2" "3" "4" "5" "6" "7" "8" "9" "10" "11" "12"
[> opts$selected
1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE
[```