Dart

HTML Canvas

Redis

Bash

JavaScript

XPath Expressions

Axes

Axis	Example	Means
`/`	`//ul/li/a`	Child
`//`	`//[@id="list"]//a`	Descendant

Prefixes

Prefix	Example	Means
`//`	`//hr[@class='edge']`	Anywhere
`/`	`/html/body/div`	Root
`./`	`./div/p`	Relative

Steps and axes

-	-	-	-
`//`	`ul`	`/`	`a[@id='link']`
Axis	Step	Axis	Step

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