Encountering a "setAttribute is not a function" error while working with arguments[0] in

Below is the code I'm using to add a border to an input box on a web page:

JavascriptExecutor js=(JavascriptExecutor)driver; 
WebElement username= driver.findElement(By.id("email"));  
js.executeScript("arguments[0].setAttribute('style','border: solid 2px 
red');", username);

However, this code is throwing an error message:

org.openqa.selenium.WebdriverException: unknown error: 
arguments[0].setAttribute is not a function

Please note that the web page's tag already contains a style attribute.

javascriptselenium

Answer №1

It seems like there are some errors in your syntax. You forgot to include quotes near 'style' and also remove the semicolon before username.

Here is a corrected version of the code:

JavascriptExecutor js=(JavascriptExecutor)driver; 
WebElement username= driver.findElement(By.id("email")); 
js.executeScript("arguments[0].setAttribute('style','border: solid 2px red')", username)

Answer №2

Make sure to include quotation marks in your code snippet. See the corrected version below:

JavascriptExecutor js=(JavascriptExecutor)driver; 
WebElement username= driver.findElement(By.id("email"));  
js.executeScript("arguments[0].setAttribute('style','border: solid 2px red');", username);

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