2014/10/16 上午 12:04:25

jquery Programming Glossary: insertbefore

Can I use jQuery to easily shift li elements up or down?

http://stackoverflow.com/questions/1485138/can-i-use-jquery-to-easily-shift-li-elements-up-or-down

dom share improve this question It's actually not that hard. JQuery almost gets you there by itself with the insertBefore and insertAfter methods. function moveUp item before item.prev item.insertBefore before function moveDown item after item.next.. gets you there by itself with the insertBefore and insertAfter methods. function moveUp item before item.prev item.insertBefore before function moveDown item after item.next item.insertAfter after You could use these like moveDown '#menuAbout' and.. to extend jQuery to include these methods you would write it like this .fn.moveUp function before this .prev this .insertBefore before .fn.moveDown function after this .next this .insertAfter after and now you can call the functions like #menuAbout..

Detecting a image 404 in javascript

http://stackoverflow.com/questions/3019077/detecting-a-image-404-in-javascript

image and insert if requested must be on DOM to load or pull from cache img.src src target cfg.target if target target.insertBefore img cfg.insertBefore null Loaded if img.complete if img prop if isType cfg.success 'f' cfg.success.call img else if.. must be on DOM to load or pull from cache img.src src target cfg.target if target target.insertBefore img cfg.insertBefore null Loaded if img.complete if img prop if isType cfg.success 'f' cfg.success.call img else if isType cfg.failure 'f'..

Consuming JSON data without jQuery (sans getJSON)

http://stackoverflow.com/questions/3238457/consuming-json-data-without-jquery-sans-getjson

leak in IE script.onload script.onreadystatechange null if head script.parentNode head.removeChild script Use insertBefore instead of appendChild to circumvent an IE6 bug. This arises when a base node is used #2709 and #4378 . head.insertBefore.. instead of appendChild to circumvent an IE6 bug. This arises when a base node is used #2709 and #4378 . head.insertBefore script head.firstChild We handle everything using the script element injection return undefined Use a JSON Parser . You..

Design Patterns used in the jQuery library

http://stackoverflow.com/questions/3631039/design-patterns-used-in-the-jquery-library

jQuery object provides new and additional functionality around a regular DOM object. For example the DOM has a native insertBefore method but there is no corresponding insertAfter method. There are various implementations available to fill this gap and..

DOM Mutation event in JQuery or vanilla Javascript

http://stackoverflow.com/questions/7692730/dom-mutation-event-in-jquery-or-vanilla-javascript

DOM prototypes. This same technique could just as easily be used on all the underlying DOM mutation functions such as insertBefore replaceChild or removeChild . That's the general idea these demos could be adapted for pretty much any other use case say..

jquery: switch Elements in DOM

http://stackoverflow.com/questions/8034918/jquery-switch-elements-in-dom

parent2 next2 parent1 elm1.parentNode next1 elm1.nextSibling parent2 elm2.parentNode next2 elm2.nextSibling parent1.insertBefore elm2 next1 parent2.insertBefore elm1 next2 Note that it's fine if the reference element next1 or next2 above is null insertBefore.. next1 elm1.nextSibling parent2 elm2.parentNode next2 elm2.nextSibling parent1.insertBefore elm2 next1 parent2.insertBefore elm1 next2 Note that it's fine if the reference element next1 or next2 above is null insertBefore handles that correctly.. elm2 next1 parent2.insertBefore elm1 next2 Note that it's fine if the reference element next1 or next2 above is null insertBefore handles that correctly by adding at the end of the parent like appendChild would . Usage combined with jQuery swapElements..