selenium - InternetExplorerDriver getPageSource() is returning a different string than FirefoxDriver

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selenium - InternetExplorerDriver getPageSource() is returning a different string than FirefoxDriver

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

I am new to Selenium and wonder if someone could point me in the right direction.

I am trying to get the page source of a page, but I notice IE driver returns something different than FirefoxDriver.

Also, the String returned by InternetExplorerDriver.getPageSource() is different than the one i see if i click view page source on IE.

I am running IE 8 and Firefox 22.

For sample on this page: http://stackoverflow.com/questions/16455217/webdriver-save-the-location-of-the-id-in-the-page

When I called getPageSource(), IE returned something like this.

"<HTML><HEAD><TITLE>selenium - Webdriver / Save the location of the ID in the page - Stack Overflow</TITLE><LINK rel="shortcut icon" href="https://cdn.sstatic.net/stackoverflow/img/favicon.ico"><LINK rel="apple-touch-icon image_src" href="https://cdn.sstatic.net/stackoverflow/img/apple-touch-icon.png">

While Firefox returned this.

"<!DOCTYPE html>

<title>selenium - Webdriver / Save the location of the ID in the page - Stack Overflow</title>
<link href="https://cdn.sstatic.net/stackoverflow/img/favicon.ico" rel="shortcut icon" />
<link href="https://cdn.sstatic.net/stackoverflow/img/apple-touch-icon.png" rel="apple-touch-icon image_src" />

Is there a way for IEDriver to return a pageSource in the same way as FirefoxDriver?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T21:29:51+0000

No, that's because the getPageSource method does not return the page source as it would do manually in your browser but returns a text representation of the DOM. Javadoc of getPageSource explains it better:

java.lang.String getPageSource()

Get the source of the last loaded page. If the page has been modified after loading (for example, by Javascript) there is no guarantee that the returned text is that of the modified page. Please consult the documentation of the particular driver being used to determine whether the returned text reflects the current state of the page or the text last sent by the web server. The page source returned is a representation of the underlying DOM: do not expect it to be formatted or escaped in the same way as the response sent from the web server. Think of it as an artist's impression.

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