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Parsing and usage of is (': visable') in jQuery (mandatory), jqueryvisible
Instance
Select each visible element in the <body> element:
$ ("Body: visible ")
Definition and usage
: The visible selector selects each currently visible element.
Except for the following situations, the elements are visible elements:
• Set to display: none
• Type = "hidden" form Element
• Set Width and height to 0.
• Hidden parent element (hide all child elements at the same time)
Syntax
$ (": Visible ")
$ (Document ). ready (function () {$ ('# faq '). find ('dd '). hide (). end (). find ('dt '). click (function () {// end () is the end of the previous processing function, return to the initial element // explanation: end the hide () of find (dd) with end (), and apply find (dt) to the first # fap var answer =$ (this ). next (); // next () can be added to the next element of this element. next () indicates the next element, and so on if (answer. is (': visable') {// If ANSWER is visible, visible indicates visible, and its usage also includes: hidden (hidden),: first (first ),: last (last) answer. slideUp (); // hide} else {answer. slideDown (); // display }});});
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