R - Waiting for page to load in RSelenium with PhantomJS

Solution using while/tryCatch:

remDr$navigate("<webpage url>")webElem <-NULLwhile(is.null(webElem)){  webElem <- tryCatch({remDr$findElement(using = 'name', value = "<value>")},  error = function(e){NULL}) #loop until element with name <value> is found in <webpage url>}

To tack on a bit more convenience to Victor's great answer, a common element on tons of pages is body which can be accessed via css. I also made it a function and added a quick random sleep (always good practice). This should work without you needing to assign the element on most web pages with text:

##use double arrow to assign to global environment permanently#remDr <<- remDrwetest <- function(sleepmin,sleepmax){  remDr <- get("remDr",envir=globalenv())  webElemtest <-NULL  while(is.null(webElemtest)){    webElemtest <- tryCatch({remDr$findElement(using = 'css', "body")},                            error = function(e){NULL})    #loop until element with name <value> is found in <webpage url>  }  randsleep <- sample(seq(sleepmin, sleepmax, by = 0.001), 1)  Sys.sleep(randsleep)}

Usage:

remDr$navigate("https://bbc.com/news")clickable <- remDr$findElements(using='xpath','//button[contains(@href,"")]')clickable[[1]]$clickElement()wetest(sleepmin=.5,sleepmax=1)