2014/10/16 上午 12:04:33

jquery Programming Glossary: jquery.cache

http://stackoverflow.com/questions/1462649/jquery-memory-leak-with-dom-removal

sense. As far as I can work out the leak is simply the jQuery.cache Object which is the data store not a really a cache as such..

Difference between remove() and detach() in jQuery [closed]

http://stackoverflow.com/questions/14734565/difference-between-remove-and-detach-in-jquery

the jQuery internal data about the contained elements from jQuery.cache . Such data includes custom data set with .data and the data..

javascript memory leaks

http://stackoverflow.com/questions/2316726/javascript-memory-leaks

source for that cleanData function elems var data id cache jQuery.cache special jQuery.event.special deleteExpando jQuery.support.deleteExpando.. jQuery.expando delete cache id This looks in the jQuery.cache object for any event type properties on the events object property.. using jQuery a data object is added as a property to the jQuery.cache object. This data object contains an events property object..

jQuery attribute auto added to elements

http://stackoverflow.com/questions/2760714/jquery-attribute-auto-added-to-elements

has another variable called uuid which starts with 1 jQuery.cache is an empty object Setting Getting any data on a HTML Element.. expando property on the object to store a reference into jQuery.cache sort of like this get the elements cache id or create a new.. uuid get the cache for the element or create it var data jQuery.cache id jQuery.cache id Event Handlers are stored in the events and..

jQuery.active function

http://stackoverflow.com/questions/3148225/jquery-active-function

official API lots of things are like this actually like jQuery.cache where all of jQuery.data goes . I'm guessing here by actual..

Why don't changes to jQuery $.fn.data() update the corresponding html 5 data-* attributes?

http://stackoverflow.com/questions/5507718/why-dont-changes-to-jquery-fn-data-update-the-corresponding-html-5-data-a

.data set modify operation .data stores its values in jQuery.cache internally . If you want to force the roundtrip behavior yourself..

API design and jQuery

http://stackoverflow.com/questions/6063874/api-design-and-jquery

a lightweight expando property which maps to an entry in jQuery.cache which holds handlers and other data. I believe it then attaches.. point is that the connection between the element s and the jQuery.cache is that expando. Why is that a big deal Well philosophically..

jQuery loop through data() object

http://stackoverflow.com/questions/772608/jquery-loop-through-data-object

question jQuery stores all the data information in the jQuery.cache internal variable. It is possible to get all the data associated.. function var intID jQuery.data this.get 0 return jQuery.cache intID With this in place you can do this '#myelement' .data..

What's the difference between jQuery.data and jQuery._data ( underscore data )?

http://stackoverflow.com/questions/7788353/whats-the-difference-between-jquery-data-and-jquery-data-underscore-data

to store the state of the element. I examined the jQuery.cache object in chrome and found that the element's data object had..

How to get from an element all the data set using the data method?

http://stackoverflow.com/questions/999535/how-to-get-from-an-element-all-the-data-set-using-the-data-method

jQuery memory leak with DOM removal

http://stackoverflow.com/questions/1462649/jquery-memory-leak-with-dom-removal

else in the maze that is jQuery but logically it makes sense. As far as I can work out the leak is simply the jQuery.cache Object which is the data store not a really a cache as such getting bigger and bigger as a new key is added for every removed..

Difference between remove() and detach() in jQuery [closed]

http://stackoverflow.com/questions/14734565/difference-between-remove-and-detach-in-jquery

jquery share improve this question .remove removes the jQuery internal data about the contained elements from jQuery.cache . Such data includes custom data set with .data and the data required by jQuery's event model. .detach does not remove that..

javascript memory leaks

http://stackoverflow.com/questions/2316726/javascript-memory-leaks

that the jQuery.cleanData function is called. Here is the source for that cleanData function elems var data id cache jQuery.cache special jQuery.event.special deleteExpando jQuery.support.deleteExpando for var i 0 elem elem elems i null i id elem jQuery.expando.. jQuery.expando else if elem.removeAttribute elem.removeAttribute jQuery.expando delete cache id This looks in the jQuery.cache object for any event type properties on the events object property of the data object relating to each element that will.. is bound as a handler to an event raised on an element using jQuery a data object is added as a property to the jQuery.cache object. This data object contains an events property object that will have a property created on it with a name matching..

jQuery attribute auto added to elements

http://stackoverflow.com/questions/2760714/jquery-attribute-auto-added-to-elements

has a variable called 'expando' which is 'jQuery' new Date jQuery has another variable called uuid which starts with 1 jQuery.cache is an empty object Setting Getting any data on a HTML Element Object will use the expando property on the object to store.. Getting any data on a HTML Element Object will use the expando property on the object to store a reference into jQuery.cache sort of like this get the elements cache id or create a new cache id var id elem expando elem expando uuid get the cache.. id or create a new cache id var id elem expando elem expando uuid get the cache for the element or create it var data jQuery.cache id jQuery.cache id Event Handlers are stored in the events and handle properties of this internal data object. So internally..

jQuery.active function

http://stackoverflow.com/questions/3148225/jquery-active-function

. There's no documentation because it's exposed but not in the official API lots of things are like this actually like jQuery.cache where all of jQuery.data goes . I'm guessing here by actual usage in the library it seems to be there exclusively to support..

Why don't changes to jQuery $.fn.data() update the corresponding html 5 data-* attributes?

http://stackoverflow.com/questions/5507718/why-dont-changes-to-jquery-fn-data-update-the-corresponding-html-5-data-a

to avoid the performance overhead of accessing the DOM for every .data set modify operation .data stores its values in jQuery.cache internally . If you want to force the roundtrip behavior yourself you could subscribe to the setData or changeData events..

API design and jQuery

http://stackoverflow.com/questions/6063874/api-design-and-jquery

other elements creating memory leaks in IE. Instead it places a lightweight expando property which maps to an entry in jQuery.cache which holds handlers and other data. I believe it then attaches a handler with in turn invokes the handler that you assigned... that. Whatever the system is doesn't really matter. The point is that the connection between the element s and the jQuery.cache is that expando. Why is that a big deal Well philosophically jQuery is not a framework it is a library. It would seem that..

jQuery loop through data() object

http://stackoverflow.com/questions/772608/jquery-loop-through-data-object

be used for this jquery data loops each share improve this question jQuery stores all the data information in the jQuery.cache internal variable. It is possible to get all the data associated with a particular object with this simple but helpful plugin.. object with this simple but helpful plugin jQuery.fn.allData function var intID jQuery.data this.get 0 return jQuery.cache intID With this in place you can do this '#myelement' .data 'test1' 'yay1' .data 'test2' 'yay2' .data 'test3' 'yay3' .each..

What's the difference between jQuery.data and jQuery._data ( underscore data )?

http://stackoverflow.com/questions/7788353/whats-the-difference-between-jquery-data-and-jquery-data-underscore-data

the source I noticed that 'toggle' supposedly uses jQuery._data to store the state of the element. I examined the jQuery.cache object in chrome and found that the element's data object had yet another object under it prepended by the word jQuery with..

How to get from an element all the data set using the data method?

http://stackoverflow.com/questions/999535/how-to-get-from-an-element-all-the-data-set-using-the-data-method

has been asked before . My answer from there since it is a good question jQuery stores all the data information in the jQuery.cache internal variable. It is possible to get all the data associated with a particular object with this simple but helpful plugin.. object with this simple but helpful plugin jQuery.fn.allData function var intID jQuery.data this.get 0 return jQuery.cache intID With this in place you can do this '#myelement' .data 'test1' 'yay1' .data 'test2' 'yay2' .data 'test3' 'yay3' .each..