Step 1: Understand XPath Basics

XPath uses path expressions to locate nodes in XML/HTML. For example, //div[@class='content'] selects all div elements with class 'content'. Axes (like following-sibling) and functions (like contains()) handle complex structures.

Step 2: Use HeronTool XPath Tester

  1. Open the XPath Tester tool on HeronTool.
  2. Paste HTML or XML code on the left, and enter your XPath expression on the right.
  3. Click the 'Test' button; matching nodes are highlighted below, and results are listed.
  4. If the expression has errors, the tool shows the exact position for quick fixes.

Step 3: Practical Tips & Debugging

  • Use text() to select text nodes, e.g., //h1/text().
  • Use @ for attributes, e.g., //a/@href.
  • Simplify complex expressions step by step: test //div first, then add conditions.
  • Use HeronTool's 'Copy XPath' feature (right-click element in browser dev tools) and paste it into the tester to verify.

FAQ

Q: Why doesn't my XPath match any nodes?
A: Check namespaces and case sensitivity; try wildcard //*[@id='xxx'].

Q: Which XPath versions does HeronTool support?
A: It supports XPath 1.0 and partial 2.0, covering daily needs.

Q: How to select elements containing specific text?
A: Use //div[contains(text(),'keyword')].