2014/10/16 上午 12:03:09

jquery Programming Glossary: elems.length

http://stackoverflow.com/questions/1400820/jquery-to-wrap-elements

var elems this .children options.childElem var arr elems.each function i value arr.push value if i 1 options.sets 0 i elems.length 1 var set arr arr set.wrapAll options.wrapper jQuery You pass in an options object defining childElem the element nodeType..

Randomize a sequence of div elements with jQuery

http://stackoverflow.com/questions/1533910/randomize-a-sequence-of-div-elements-with-jquery

this.children childElem elems.sort function return Math.round Math.random 0.5 this.remove childElem for var i 0 i elems.length i this.append elems i jQuery Here's a Working Demo . add edit to the URL to see the code. If you need any details about.. this.children childElem elems.sort function return Math.round Math.random 0.5 this.remove childElem for var i 0 i elems.length i this.append elems i jQuery HTML div class band div class member ul li John li li Lennon li ul div div class member ul..

Invoking a jQuery function after .each() has completed

http://stackoverflow.com/questions/2358205/invoking-a-jquery-function-after-each-has-completed

Listening for Youtube Event in JavaScript or jQuery

http://stackoverflow.com/questions/7988476/listening-for-youtube-event-in-javascript-or-jquery

if ^iframe i.test elem.tagName return id Frame OK else Look for frame var elems elem.getElementsByTagName iframe if elems.length return null No iframe found FAILURE for var i 0 i elems.length i if ^https www . youtube nocookie .com i.test elems i .src.. for frame var elems elem.getElementsByTagName iframe if elems.length return null No iframe found FAILURE for var i 0 i elems.length i if ^https www . youtube nocookie .com i.test elems i .src break elem elems i The only or the best iFrame if elem.id..