Shulou(Shulou.com)06/03 Report--

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Css selector

Find through node attributes

.class selects all elements of the class= "intro".

# id Select all elements of id= "firstname".

* Select all elements.

Find through node relationship

Element element descendant selector

Element > element child element selector

Element+element sibling selector

Element1~element2 p~ul, select the front

Each element of the element.

Find through node attributes

[attribute] [target] Select all elements with the target attribute.

[attribute=value] [target=_blank] Select all elements of target= "_ blank".

[attribute~=value] [title~=flower] Select all elements where the title attribute contains the word "flower".

[attribute | = value] [lang | = en] Select all elements whose lang attribute value begins with "en".

[attribute ^ = value] a [src ^ = "https"] Select each element whose src attribute value begins with "https".

[attribute$=value] a [src$= ".pdf"] selects all elements whose src attribute ends with ".pdf".

[attribute*=value] a [src*= "abc"] selects each element whose src attribute contains a "abc" substring.

Pseudo class selector

: link a:link selects all links.

: checked input:checked selects each selected element.

First-child p:first-child selects each of the first child elements that belong to the parent element

element.

Last-child p:last-child selects each of the last child elements that belong to its parent element

element.

First-of-type p:first-of-type selects the first one that belongs to its parent element

Each of the elements

element.

: last-of-type p:last-of-type selects the last that belongs to its parent element

Each of the elements

element.

: only-of-type p:only-of-type selects the only one that belongs to its parent element

Each of the elements

element.

Only-child p:only-child selects each of the only child elements that belong to its parent element

element.

: nth-child (n) p:nth-child (2) selects each of the second child elements that belong to its parent element

element.

: nth-last-child (n) p:nth-last-child (2) same as above, counting from the last child element.

: nth-of-type (n) p:nth-of-type (2) Select the second one belonging to its parent element

Each of

element.

: nth-last-of-type (n) p:nth-last-of-type (2) is the same as above, but counting starts with the last child element.

: all elements of input

: text all elements of type= "text"

: password all elements of type= "password"

: radio all elements of type= "radio"

: checkbox all elements of type= "checkbox"

: submit all elements of type= "submit"

: reset all elements of type= "reset"

: button all elements of type= "button"

: image all elements of type= "image"

: file all elements of type= "file"

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