How to Pass Variables into a javascriptexecutor script [duplicate]

Question

I am using C# and Selenium to navigate a site and was wondering how to pass variables into my JavaScriptExecutor command. If I write it like this:

((IJavaScriptExecutor)webdriver).ExecuteScript("document.getElementByID('text box1').value = 'hello'");

That works fine but when I try to pass it variables it says they are not defined:

var elementID = "text box1"
var fieldValue = "hello"
((IJavaScriptExecutor)webdriver).ExecuteScript("document.getElementByID(elementID).value = fieldValue");

you can use arguments. See this thread: stackoverflow.com/questions/49871432/… — browsermator
– browsermator, Commented Nov 23, 2021 at 20:43

undetected Selenium · Accepted Answer · 2021-11-23 20:58:05Z

0

To pass variables into a JavaScriptExecutor command you can use the following solution:

var elementID = "text box1"
var fieldValue = "hello"
((IJavaScriptExecutor)webdriver).ExecuteScript("document.getElementById('" + elementID + "').value ='" + fieldValue + "'");

PS: It's document.getElementById() and not document.getElementByID(). Check the case of Id.

References

You can find a couple of relevant detailed discussions in:

Selenium : How to send variable character strings through executeScript()
What does arguments[0] and arguments[1] mean when using executeScript method from JavascriptExecutor interface through Selenium WebDriver?

answered Nov 23, 2021 at 20:58

undetected Selenium

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