Get child element

●Target: the specified interface element found during component execution is essentially an XML fragment, which is used to specify the interface element to be found and the attributes of some parent elements. Click the "Edit" button on the right side of the "target" input box to edit the target element, such as modifying the attribute value in the selector, customizing the element search path, etc.

●Output to variable: the variable output to.

Example: obtain the specific commodity price, name and store information under a commodity list (element div_5) of JD. Nested for loop to read the information of all products in the list.