Bộ chọn jQuery
Bộ chọn jQuery
Sử dụng Trình kiểm tra bộ chọn jQuery của chúng tôi để minh họa các bộ chọn khác nhau.
| Selector | Example | Selects |
|---|---|---|
| * | $("*") | All elements |
| # id | $("#lastname") | The element with id="lastname" |
| . class | $(".intro") | All elements with class="intro" |
| . class, . class | $(".intro,.demo") | All elements with the class "intro" or "demo" |
| element | $("p") | All <p> elements |
| el1 , el2 , el3 | $("h1,div,p") | All <h1>, <div> and <p> elements |
| :first | $("p:first") | The first <p> element |
| :last | $("p:last") | The last <p> element |
| :even | $("tr:even") | All even <tr> elements |
| :odd | $("tr:odd") | All odd <tr> elements |
| :first-child | $("p:first-child") | All <p> elements that are the first child of their parent |
| :first-of-type | $("p:first-of-type") | All <p> elements that are the first <p> element of their parent |
| :last-child | $("p:last-child") | All <p> elements that are the last child of their parent |
| :last-of-type | $("p:last-of-type") | All <p> elements that are the last <p> element of their parent |
| :nth-child( n ) | $("p:nth-child(2)") | All <p> elements that are the 2nd child of their parent |
| :nth-last-child( n ) | $("p:nth-last-child(2)") | All <p> elements that are the 2nd child of their parent, counting from the last child |
| :nth-of-type( n ) | $("p:nth-of-type(2)") | All <p> elements that are the 2nd <p> element of their parent |
| :nth-last-of-type( n ) | $("p:nth-last-of-type(2)") | All <p> elements that are the 2nd <p> element of their parent, counting from the last child |
| :only-child | $("p:only-child") | All <p> elements that are the only child of their parent |
| :only-of-type | $("p:only-of-type") | All <p> elements that are the only child, of its type, of their parent |
| parent > child | $("div > p") | All <p> elements that are a direct child of a <div> element |
| parent descendant | $("div p") | All <p> elements that are descendants of a <div> element |
| element + next | $("div + p") | The <p> element that are next to each <div> elements |
| element ~ siblings | $("div ~ p") | All <p> elements that appear after the <div> element |
| :eq( index ) | $("ul li:eq(3)") | The fourth element in a list (index starts at 0) |
| :gt( no ) | $("ul li:gt(3)") | List elements with an index greater than 3 |
| :lt( no ) | $("ul li:lt(3)") | List elements with an index less than 3 |
| :not( selector ) | $("input:not(:empty)") | All input elements that are not empty |
| :header | $(":header") | All header elements <h1>, <h2> ... |
| :animated | $(":animated") | All animated elements |
| :focus | $(":focus") | The element that currently has focus |
| :contains( text ) | $(":contains('Hello')") | All elements which contains the text "Hello" |
| :has( selector ) | $("div:has(p)") | All <div> elements that have a <p> element |
| :empty | $(":empty") | All elements that are empty |
| :parent | $(":parent") | All elements that are a parent of another element |
| :hidden | $("p:hidden") | All hidden <p> elements |
| :visible | $("table:visible") | All visible tables |
| :root | $(":root") | The document's root element |
| :lang( language ) | $("p:lang(de)") | All <p> elements with a lang attribute value starting with "de" |
| [ attribute ] | $("[href]") | All elements with a href attribute |
| [ attribute = value ] | $("[href='default.htm']") | All elements with a href attribute value equal to "default.htm" |
| [ attribute != value ] | $("[href!='default.htm']") | All elements with a href attribute value not equal to "default.htm" |
| [ attribute $= value ] | $("[href$='.jpg']") | All elements with a href attribute value ending with ".jpg" |
| [ attribute |= value ] | $("[title|='Tomorrow']") | All elements with a title attribute value equal to 'Tomorrow', or starting with 'Tomorrow' followed by a hyphen |
| [ attribute ^= value ] | $("[title^='Tom']") | All elements with a title attribute value starting with "Tom" |
| [ attribute ~= value ] | $("[title~='hello']") | All elements with a title attribute value containing the specific word "hello" |
| [ attribute* = value ] | $("[title*='hello']") | All elements with a title attribute value containing the word "hello" |
| :input | $(":input") | All input elements |
| :text | $(":text") | All input elements with type="text" |
| :password | $(":password") | All input elements with type="password" |
| :radio | $(":radio") | All input elements with type="radio" |
| :checkbox | $(":checkbox") | All input elements with type="checkbox" |
| :submit | $(":submit") | All input elements with type="submit" |
| :reset | $(":reset") | All input elements with type="reset" |
| :button | $(":button") | All input elements with type="button" |
| :image | $(":image") | All input elements with type="image" |
| :file | $(":file") | All input elements with type="file" |
| :enabled | $(":enabled") | All enabled input elements |
| :disabled | $(":disabled") | All disabled input elements |
| :selected | $(":selected") | All selected input elements |
| :checked | $(":checked") | All checked input elements |
