Selectors

A selector uniquely identifies an element, or an attribute of an element, within a page with the use of a CSS selector or XPath expression. A selector is one form of identifier.

Syntax

$"{selector-string}"[:{position}][.{attribute-name}]

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selector-string:
    <css-selector>
    <xpath>

position:
    <integer>

attribute_name:
    <string>

Examples

$"#element-id"	CSS selector matching against the element id attribute.
$"#element-id".title	CSS selector referencing the title attribute of the matched element.
$"//*[@id='element-id']"	XPath expression matching against the element id attribute.
$"//*[@id='element-id']".title	XPath expression referencing the title attribute of the matched element.
$".listed-item":1	Finding the first matched item from the start of the list.
$".listed-item":1.title	Finding the title attribute of the first matched item from the start of the list.
$".listed-item":3	Finding the third matched item from the start of the list.
$".listed-item":-1	Finding the first matched item from the end of the list.
$".listed-item":-3	Finding the third matched item from the end of the list.
$".listed-item":first	Special position keyword first is equivalent to :1.
$".listed-item":last	Special position keyword last is equivalent to :-1.