phpQuery 选择器

下面选择器规则完全适用于QueryList 。

• Basics
• Hierarchy
• Basic Filters
• Content Filters
• Visibility Filters
• Attribute Filters
• Child Filters
• Forms
• Form Filters

Selectors are the heart of jQuery-like interface. Most of CSS Level 3 syntax is implemented (in state same as in jQuery).

Example

pq(".class ul > li[rel='foo']:first:has(a)")->appendTo('.append-target-wrapper div')->...

Basics

• #id Matches a single element with the given id attribute.
• element Matches all elements with the given name.
• .class Matches all elements with the given class.
• * Matches all elements.
• selector1, selector2, selectorN Matches the combined results of all the specified selectors.

Hierarchy

• ancestor descendant Matches all descendant elements specified by "descendant" of elements specified by "ancestor".
• parent > child Matches all child elements specified by "child" of elements specified by "parent".
• prev + next Matches all next elements specified by "next" that are next to elements specified by "prev".
• prev ~ siblings Matches all sibling elements after the "prev" element that match the filtering "siblings" selector.

Basic Filters

• :first Matches the first selected element.
• :last Matches the last selected element.
• :not(selector) Filters out all elements matching the given selector.
• :even Matches even elements, zero-indexed.
• :odd Matches odd elements, zero-indexed.
• :eq(index) Matches a single element by its index.
• :gt(index) Matches all elements with an index above the given one.
• :lt(index) Matches all elements with an index below the given one.
• :header Matches all elements that are headers, like h1, h2, h3 and so on.
• :animated Matches all elements that are currently being animated.

Content Filters

• :contains(text) Matches elements which contain the given text.
• :empty Matches all elements that have no children (including text nodes).
• :has(selector) Matches elements which contain at least one element that matches the specified selector.
• :parent Matches all elements that are parents - they have child elements, including text.

Visibility Filters

none

Attribute Filters

• [attribute] Matches elements that have the specified attribute.
• [attribute=value] Matches elements that have the specified attribute with a certain value.
• [attribute!=value] Matches elements that don't have the specified attribute with a certain value.
• [attribute^=value] Matches elements that have the specified attribute and it starts with a certain value.
• [attribute$=value] Matches elements that have the specified attribute and it ends with a certain value.
• [attribute*=value] Matches elements that have the specified attribute and it contains a certain value.
• [selector1selector2selectorN] Matches elements that have the specified attribute and it contains a certain value.

Child Filters

• :nth-child(index/even/odd/equation) Matches all elements that are the nth-child of their parent or that are the parent's even or odd children.
• :first-child Matches all elements that are the first child of their parent.
• :last-child Matches all elements that are the last child of their parent.
• :only-child Matches all elements that are the only child of their parent.

Forms

• :input Matches all input, textarea, select and button elements.
• :text Matches all input elements of type text.
• :password Matches all input elements of type password.
• :radio Matches all input elements of type radio.
• :checkbox Matches all input elements of type checkbox.
• :submit Matches all input elements of type submit.
• :image Matches all input elements of type image.
• :reset Matches all input elements of type reset.
• :button Matches all button elements and input elements of type button.
• :file Matches all input elements of type file.
• :hidden Matches all elements that are hidden, or input elements of type "hidden".

Form Filters

• :enabled Matches all elements that are enabled.
• :disabled Matches all elements that are disabled.
• :checked Matches all elements that are checked.
• :selected Matches all elements that are selected.

Read more at Selectors section on jQuery Documentation Site.