I've managed to implement JavascriptExecutor successfully, but I'm curious about the reasoning behind using the array "arguments[0]". Can someone explain this to me?
Check out the code snippet below:
IJavaScriptExecutor executor = (IJavaScriptExecutor)driver;
executor.ExecuteScript("arguments[0].click();", driver.FindElement(locator));
Refer to the information provided on the Selenium ExecuteScript page for the definition.
The JavaScript arguments are accessed through the "arguments" magic variable, similar to using "Function.apply"
The executeScript method returns:
Returns: Boolean, Long, String, List, WebElement, or null.
This means that the returned object is a list which you can interact with via the arguments[0] magic variable.
When you pass arguments in, it acts as a reference point. For example, the index here is set to 0 because the element reference is passed in as the first argument in the executeScript call (following the script String).
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