Is there a way to get element by XPath using JavaScript in Selenium WebDriver?

Question

I am looking for something like:

getElementByXpath(//html[1]/body[1]/div[1]).innerHTML 

I need to get the innerHTML of elements using JS (to use that in Selenium WebDriver/Java, since WebDriver can't find it itself), but how?

I could use ID attribute, but not all elements have ID attribute.

[FIXED]

I am using jsoup to get it done in Java. That works for my needs.

Answer 1

You can use document.evaluate:

Evaluates an XPath expression string and returns a result of the specified type if possible.

It is w3-standardized and whole documented: https://developer.mozilla.org/en-US/docs/Web/API/Document.evaluate

function getElementByXpath(path) {    return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;  }    console.log( getElementByXpath("//html[1]/body[1]/div[1]") );

<div>foo</div>

https://gist.github.com/yckart/6351935

There's also a great introduction on mozilla developer network: https://developer.mozilla.org/en-US/docs/Introduction_to_using_XPath_in_JavaScript#document.evaluate

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Alternative version, using XPathEvaluator:

function getElementByXPath(xpath) {    return new XPathEvaluator()      .createExpression(xpath)      .evaluate(document, XPathResult.FIRST_ORDERED_NODE_TYPE)      .singleNodeValue  }    console.log( getElementByXPath("//html[1]/body[1]/div[1]") );

<div>foo/bar</div>