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Xpath: Get Following Sibling

web-development
xpath
selenium
dom
Nikita BarsukovbyNikita Barsukov·Dec 30, 2024
TLDR

In XPath, to fetch the most immediate sibling right after your target node, use the following-sibling axis with the [1] predicate:

//yourNode/following-sibling::*[1]

If matching on a particular element's content, make sure to indicate this in your XPath:

//tr[td='Color Digest'][2]/td/following-sibling::td[1]

This will locate the first sibling of the "Color Digest" td. Ensure your XPath is precise to prevent confusion due to multiple similar tags.

Right on the Target: Finding the Precise Doppelgänger

Context matters: Get it right

Equipped with a complex DOM? Be sure to furnish the required context to your XPath query:

//tr[td='Color Digest'][2]/td[2]

Think of it as playing "Where's Waldo"...but for nodes! This targets the second td within the second tr containing "Color Digest".

The more the merrier: Fetching multiple elements

In case you are eyeing multiple sibling elements, strap on Selenium's armory and use findElements:

List<WebElement> elements = driver.findElements(By.xpath("//yourNode/following-sibling::*")); WebElement secondElement = elements.get(1); // Because who comes first has already taken all the limelight!

This will become your best pal when wrestling with lists of sibling elements!

Ninja Techniques: Inspecting and Alternatives

When Chrome acts Sherlock: Inspect and XPath

Inspecting HTML and using Chrome's copy XPath feature can hand over a ready XPath. But beware! These XPaths can sometimes be as fragile as a glass slipper. Handcrafting them can turn them into sturdy boots!

Saying hi to Plan B: Alternatives to XPath

When XPath starts acting diva and doesn't deliver desirable results, unlock the employment exchange for CSS selectors or other locator strategies. Orientation is the key to survival here!

Take That Leap: Advanced XPath Selection

Finding the needle in a haystack: Handling similar tags

In documents drenched in similar tags, function your XPath by learning the ABC of Axes and Predicates. Let it play "spot the difference" with panache!

Precision over ambiguity: Be Specific

Shoo away the vagueness in XPaths; specificity is the key to opening the door to correct extraction.

//table/tr[td[contains(text(),'Color Digest')]][2]/td[2]

This XPath is sharp as a katana, slicing its way through all the incomings to reach its goal! Be more specific to get more precise!

Pro XPath Tips: Level Up Your XPath Queries

Get the Real McClane: Decode the value

Ensure your method extracts the decoded value from the td. Much like in Die Hard, it's not the Nakatomi Plaza we want - we need John McClane!

AJAX calls be like "I summon thee, DOM!": Handle Dynamic Content

Dealing with AJAX calls or JavaScript-rendered pages? Be patient. You might need to retry your query or use explicit waits. It’s like watching a thriller - only make your move when the time is ripe, and the DOM is ready!

Goldilocks for XPath: Testing on the fly

Utilize browser tools like XPath Helper or XPath Checker to test your XPath expressions. It's easier than making porridge: try it on the browser directly and adjust until it's just right.