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I am using the below code to highlight the input box in 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);

It is giving me an error like this:

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

Note: The tag in the web page already has a style attribute in it.

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  • Any reason to use JavascriptExecutor and not Java functions? Commented Jan 24, 2018 at 6:46

2 Answers 2

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I think your syntax is wrong, you forget to add ''quotes near style and also remove ; before username

try this code: 

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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No your answer did not help...typo was here in SO not in my code
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You are missing quotes, please try the following code,

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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2 Comments

After adding the missing quote also getting the same error. @Murthi
alternatively, you can try arguments[0].style.border='solid 2px red';

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