2014/10/16 上午 12:10:01
jquery Programming Glossary: usuallyWhat's the difference in the :not() selector between jQuery and CSS? http://stackoverflow.com/questions/10711730/whats-the-difference-in-the-not-selector-between-jquery-and-css There are some loose workarounds 1 and 2 but they usually depend on the HTML structure and are therefore very limited..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events always read official jQuery Mobile documentation. It will usually provide you with needed information and unlike some other documentation..
Prototype equivalent for jQuery live function http://stackoverflow.com/questions/1479782/prototype-equivalent-for-jquery-live-function events prototypejs share improve this question This is usually done with Event#findElement document.observe 'click' function..
http://stackoverflow.com/questions/16924082/dynamic-drop-down-box html FILE 2 another_php_file.php php Login to database usually this is stored in a separate php file and included in each file..
Two $.post requests one after the other.Second $.post request doesn't get executed http://stackoverflow.com/questions/17887098/two-post-requests-one-after-the-other-second-post-request-doesnt-get-execut .post is an abbreviated form of the .ajax structure. I usually prefer to use the .ajax structure because It's easier to see..
How to embed Javascript widget that depends on jQuery into an unknown environment http://stackoverflow.com/questions/2170439/how-to-embed-javascript-widget-that-depends-on-jquery-into-an-unknown-environmen not defined error. If the web page does have jQuery I can usually work with it. If the jQuery version is old however I would like..
Prevent double submission of forms in jQuery http://stackoverflow.com/questions/2830542/prevent-double-submission-of-forms-in-jquery in the POST. I need the form to be submitted as it usually is and I need to disable everything right after that happens...
http://stackoverflow.com/questions/2954932/difference-between-jquery-click-bind-live-delegate-trigger-and-on event actions and bubbles up the DOM. .triggerHandler is usually for a different purpose here you're just trying to fire the..
How to detect new element creation in jQuery? http://stackoverflow.com/questions/3384398/how-to-detect-new-element-creation-in-jquery is not recommended for current versions of jQuery. It's usually easier to do this when you create the elements though for example..
Server polling with JavaScript http://stackoverflow.com/questions/3583203/server-polling-with-javascript is a significant reduction in latency because the server usually has a connection established when it is ready to return information..
What is the difference between $(window).load and $(document).ready? http://stackoverflow.com/questions/5182016/what-is-the-difference-between-window-load-and-document-ready to be executed after the DOM is ready so this is usually the best place to attach all other event handlers and run other..
Where do you include the jQuery library from? Google JSAPI? CDN? http://stackoverflow.com/questions/547384/where-do-you-include-the-jquery-library-from-google-jsapi-cdn world instead of my single server location Closer servers usually means faster response times for the visitor. Second Many people.. the JQuery script in their local cache. Pre cached content usually means faster load times for the visitor. Third My web hosting..
http://stackoverflow.com/questions/5874652/prop-vs-attr of this change though. I'll summarize the main issues You usually want prop rather than attr . In the majority of cases prop does.. both a property and an attribute with the same name exists usually updating one will update the other but this is not the case..
Graph visualization code in JavaScript? http://stackoverflow.com/questions/7034/graph-visualization-code-in-javascript do a reasonable job with graph layout These graphs will usually be just a few nodes maybe ten at the very upper end so my guess..
Long Polling/HTTP Streaming General Questions http://stackoverflow.com/questions/7213549/long-polling-http-streaming-general-questions improve this question Yeah the Comet like techniques usually blowing up the brain in the beginning just making you think.. the information then The thing is such solutions are usually implemented as standalone single threaded asynchronous servers..
jQuery: Best practice to populate drop down? http://stackoverflow.com/questions/815103/jquery-best-practice-to-populate-drop-down concatenating strings which seems so not jQuery. It usually looks like this .getJSON Admin GetFolderList function result..
jquery get selected option from dropdown http://stackoverflow.com/questions/10659097/jquery-get-selected-option-from-dropdown get selected option from dropdown Usually I use #id .val to return the value of the selected option but..
jQuery create CSS rule / class @ runtime http://stackoverflow.com/questions/1212500/jquery-create-css-rule-class-runtime create CSS rule class @ runtime Usually I have a CSS file which has the following rule #my window position..
http://stackoverflow.com/questions/1284666/sessions-and-uploadify jquery session uploadify share improve this question Usually the session ID won't be read from POST. You could do this _COOKIE..
JavaScript: DOM load events, execution sequence, and $(document).ready() http://stackoverflow.com/questions/1307929/javascript-dom-load-events-execution-sequence-and-document-ready this question Javascript is executed as it is seen. Usually the browser stops parsing the page as soon as it sees a script..
Looking for a JQuery plug-in similar to Accordian, but that allows multiple sections open at once http://stackoverflow.com/questions/1628006/looking-for-a-jquery-plug-in-similar-to-accordian-but-that-allows-multiple-sect more than one content panel to be open don't use this. Usually it can be written with a few lines of jQuery instead something..
http://stackoverflow.com/questions/20728150/unusual-shape-of-a-textarea shape of a textarea Usually textareas are rectangular or square like this But I want a custom..
Current commonly accepted best practices around code organization in JavaScript http://stackoverflow.com/questions/247209/current-commonly-accepted-best-practices-around-code-organization-in-javascript and sometimes individual classes in separate files. Usually I start with one file and as a class or namespace gets big enough..
jQuery, jQuery UI, and Dual Licensed Plugins (Dual Licensing) [closed] http://stackoverflow.com/questions/2758409/jquery-jquery-ui-and-dual-licensed-plugins-dual-licensing pick the license that suits your project and go with it. Usually it is more prudent to use the MIT license if you are a business..
http://stackoverflow.com/questions/3034874/sequencing-ajax-requests I don't want to set async to false and freeze the browser. Usually this involves setting up some kind of iterator context that..
Is plain vanilla JavaScript better than using frameworks like jQuery or MooTools? [closed] http://stackoverflow.com/questions/3393900/is-plain-vanilla-javascript-better-than-using-frameworks-like-jquery-or-mootools capable of parsing JSON natively and if so rely on that. Usually any modern browser will have this and it's much safer than eval.. though is remembering you're still coding in Javascript. Usually people get too caught up in the sugar coated methods and wrapping..
jQuery UI accordion that keeps multiple sections open? http://stackoverflow.com/questions/3479447/jquery-ui-accordion-that-keeps-multiple-sections-open more than one content panel to be open don't use this. Usually it can be written with a few lines of jQuery instead something..
What is the difference between ?𦭛his?? ??this??and ??(this)?? http://stackoverflow.com/questions/3889570/what-is-the-difference-between-this-this-and-this in other situations but it's always the context. this Usually created by var this this a cached version of the jQuery wrapped..
Best practice for saving an entire collection? http://stackoverflow.com/questions/5014216/best-practice-for-saving-an-entire-collection backbone.js collections share improve this question Usually REST backends handle single instance creation update. You would..
When should I use return false in jquery function? http://stackoverflow.com/questions/5927689/when-should-i-use-return-false-in-jquery-function . Issuing return false can create brittle code. Usually you'd want just this a .on 'click' function e e our event data..
Parsing XML with CDATA with JQuery http://stackoverflow.com/questions/652159/parsing-xml-with-cdata-with-jquery really just use entity encoding in the normal fashion. Usually the server app should be using proper XML tools to generate..
assign C# string of array or string[] to javascript array http://stackoverflow.com/questions/9023972/assign-c-sharp-string-of-array-or-string-to-javascript-array system.web.script.serialization.javascriptserializer.aspx Usually I create a simple static class as a wrapper. public static class..
How do I bind Twitter Bootstrap tooltips to dynamically created elements? http://stackoverflow.com/questions/9958825/how-do-i-bind-twitter-bootstrap-tooltips-to-dynamically-created-elements How can I bind this to dynamically created elements Usually I would do this via the jquery live method. However what is..
What's the difference in the :not() selector between jQuery and CSS? http://stackoverflow.com/questions/10711730/whats-the-difference-in-the-not-selector-between-jquery-and-css is particularly nasty primarily because it has no proper workaround. There are some loose workarounds 1 and 2 but they usually depend on the HTML structure and are therefore very limited in utility. In a browser that implements both the Selectors..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events page transitions .... Final notes Always and I mean always read official jQuery Mobile documentation. It will usually provide you with needed information and unlike some other documentation this one is rather good with enough explanations..
Prototype equivalent for jQuery live function http://stackoverflow.com/questions/1479782/prototype-equivalent-for-jquery-live-function any equivalent in Prototype for this javascript jquery events prototypejs share improve this question This is usually done with Event#findElement document.observe 'click' function e el if el e.findElement '.foo' there's your `el` might want..
http://stackoverflow.com/questions/16924082/dynamic-drop-down-box value Chris Chris Edwards option select div id LaDIV div body html FILE 2 another_php_file.php php Login to database usually this is stored in a separate php file and included in each file where required server 'localhost' localhost is the usual..
Two $.post requests one after the other.Second $.post request doesn't get executed http://stackoverflow.com/questions/17887098/two-post-requests-one-after-the-other-second-post-request-doesnt-get-execut for it jquery ajax jquery ajax share improve this question .post is an abbreviated form of the .ajax structure. I usually prefer to use the .ajax structure because It's easier to see if I've missed anything I can more easily add additional params..
How to embed Javascript widget that depends on jQuery into an unknown environment http://stackoverflow.com/questions/2170439/how-to-embed-javascript-widget-that-depends-on-jquery-into-an-unknown-environmen jQuery is finished loading and executing I get a jQuery is not defined error. If the web page does have jQuery I can usually work with it. If the jQuery version is old however I would like to load my own. If I do load my own however I need to do..
Prevent double submission of forms in jQuery http://stackoverflow.com/questions/2830542/prevent-double-submission-of-forms-in-jquery and I determine which was used by which one's value is included in the POST. I need the form to be submitted as it usually is and I need to disable everything right after that happens. Thanks javascript jquery html form double submit prevention..
http://stackoverflow.com/questions/2954932/difference-between-jquery-click-bind-live-delegate-trigger-and-on they were bound as the native event would fires the native event actions and bubbles up the DOM. .triggerHandler is usually for a different purpose here you're just trying to fire the bound handler s it doesn't cause the native event to fire e.g...
How to detect new element creation in jQuery? http://stackoverflow.com/questions/3384398/how-to-detect-new-element-creation-in-jquery .livequery getLinkCount However this plugin is out of date and is not recommended for current versions of jQuery. It's usually easier to do this when you create the elements though for example if you're doing it after AJAX requests the .ajaxComplete..
Server polling with JavaScript http://stackoverflow.com/questions/3583203/server-polling-with-javascript a request times out a new connection is initiated. The result is a significant reduction in latency because the server usually has a connection established when it is ready to return information to return to the client. In addition to the above I..
What is the difference between $(window).load and $(document).ready? http://stackoverflow.com/questions/5182016/what-is-the-difference-between-window-load-and-document-ready been fully constructed. The handler passed to .ready is guaranteed to be executed after the DOM is ready so this is usually the best place to attach all other event handlers and run other jQuery code. When using scripts that rely on the value of..
Where do you include the jQuery library from? Google JSAPI? CDN? http://stackoverflow.com/questions/547384/where-do-you-include-the-jquery-library-from-google-jsapi-cdn First The Google api servers are distributed across the world instead of my single server location Closer servers usually means faster response times for the visitor. Second Many people choose to have JQuery hosted on Google so when a visitor.. so when a visitor comes to my site they may already have the JQuery script in their local cache. Pre cached content usually means faster load times for the visitor. Third My web hosting company charges me for the bandwidth used. No sense consuming..
http://stackoverflow.com/questions/5874652/prop-vs-attr bazillions of sites using jQuery that will break as a result of this change though. I'll summarize the main issues You usually want prop rather than attr . In the majority of cases prop does what attr used to do. Replacing calls to attr with prop.. for each style the size property is a number. Where both a property and an attribute with the same name exists usually updating one will update the other but this is not the case for certain attributes of inputs such as value and checked for..
Graph visualization code in JavaScript? http://stackoverflow.com/questions/7034/graph-visualization-code-in-javascript an HTML page. Does anyone know of any JavaScript code that can do a reasonable job with graph layout These graphs will usually be just a few nodes maybe ten at the very upper end so my guess is that performance isn't going to be a big deal. Ideally..
Long Polling/HTTP Streaming General Questions http://stackoverflow.com/questions/7213549/long-polling-http-streaming-general-questions advance. php jquery comet long polling http streaming share improve this question Yeah the Comet like techniques usually blowing up the brain in the beginning just making you think in a different way. And another problem is there are not that.. might notice simple ones not using MQ. So how do they exchange the information then The thing is such solutions are usually implemented as standalone single threaded asynchronous servers so they can store all connections in a thread local array..
jQuery: Best practice to populate drop down? http://stackoverflow.com/questions/815103/jquery-best-practice-to-populate-drop-down all of the time seems like it's suboptimal because it involves concatenating strings which seems so not jQuery. It usually looks like this .getJSON Admin GetFolderList function result for var i 0 i result.length i options ' option value ' result..
jquery get selected option from dropdown http://stackoverflow.com/questions/10659097/jquery-get-selected-option-from-dropdown get selected option from dropdown Usually I use #id .val to return the value of the selected option but this time it doesn't work. The selected tag has the id aioConceptName..
jQuery create CSS rule / class @ runtime http://stackoverflow.com/questions/1212500/jquery-create-css-rule-class-runtime create CSS rule class @ runtime Usually I have a CSS file which has the following rule #my window position fixed z index 102 display none top 50 left 50 How can..
http://stackoverflow.com/questions/1284666/sessions-and-uploadify file.and i have session_start activated Any solutions php jquery session uploadify share improve this question Usually the session ID won't be read from POST. You could do this _COOKIE 'PHPSESSID' _POST 'PHPSESSID' session_start share improve..
JavaScript: DOM load events, execution sequence, and $(document).ready() http://stackoverflow.com/questions/1307929/javascript-dom-load-events-execution-sequence-and-document-ready what if at all . javascript jquery events dom share improve this question Javascript is executed as it is seen. Usually the browser stops parsing the page as soon as it sees a script tag downloads and runs the script and then keeps going. This..
Looking for a JQuery plug-in similar to Accordian, but that allows multiple sections open at once http://stackoverflow.com/questions/1628006/looking-for-a-jquery-plug-in-similar-to-accordian-but-that-allows-multiple-sect effort to do that. If you are looking for a widget that allows more than one content panel to be open don't use this. Usually it can be written with a few lines of jQuery instead something like this jQuery document .ready function '.accordion .head'..
http://stackoverflow.com/questions/20728150/unusual-shape-of-a-textarea shape of a textarea Usually textareas are rectangular or square like this But I want a custom shaped textarea like this for example How is this possible..
Current commonly accepted best practices around code organization in JavaScript http://stackoverflow.com/questions/247209/current-commonly-accepted-best-practices-around-code-organization-in-javascript method_2 function do stuff here I put different namespaces and sometimes individual classes in separate files. Usually I start with one file and as a class or namespace gets big enough to warrant it I separate it out into its own file. Using..
jQuery, jQuery UI, and Dual Licensed Plugins (Dual Licensing) [closed] http://stackoverflow.com/questions/2758409/jquery-jquery-ui-and-dual-licensed-plugins-dual-licensing their proprietary Mac OS X code on top. Therefore you should pick the license that suits your project and go with it. Usually it is more prudent to use the MIT license if you are a business that sells software but would like to keep the source code..
http://stackoverflow.com/questions/3034874/sequencing-ajax-requests server with requests which often leads to other issues. And I don't want to set async to false and freeze the browser. Usually this involves setting up some kind of iterator context that i step thru upon each success callback. I think there must be..
Is plain vanilla JavaScript better than using frameworks like jQuery or MooTools? [closed] http://stackoverflow.com/questions/3393900/is-plain-vanilla-javascript-better-than-using-frameworks-like-jquery-or-mootools as security jQuery for example will detect if the browser is capable of parsing JSON natively and if so rely on that. Usually any modern browser will have this and it's much safer than eval ... so jQuery strives to use the safer and more secure methods.. method available. An important thing to remember in jQuery though is remembering you're still coding in Javascript. Usually people get too caught up in the sugar coated methods and wrapping everything in I think it's important to know you can still..
jQuery UI accordion that keeps multiple sections open? http://stackoverflow.com/questions/3479447/jquery-ui-accordion-that-keeps-multiple-sections-open effort to do that. If you are looking for a widget that allows more than one content panel to be open don't use this. Usually it can be written with a few lines of jQuery instead something like this jQuery document .ready function '.accordion .head'..
What is the difference between ?𦭛his?? ??this??and ??(this)?? http://stackoverflow.com/questions/3889570/what-is-the-difference-between-this-this-and-this you're currently on but this may be another object entirely in other situations but it's always the context. this Usually created by var this this a cached version of the jQuery wrapped version for efficiency or chain off this to get the same..
Best practice for saving an entire collection? http://stackoverflow.com/questions/5014216/best-practice-for-saving-an-entire-collection changes using a single HTTP request jquery mvc backbone.js backbone.js collections share improve this question Usually REST backends handle single instance creation update. You would need to change that to accept an array of objects. That..
When should I use return false in jquery function? http://stackoverflow.com/questions/5927689/when-should-i-use-return-false-in-jquery-function only action needed to cancel the default behaviour is preventDefault . Issuing return false can create brittle code. Usually you'd want just this a .on 'click' function e e our event data e.preventDefault And secondly this is a DOM element in javascript..
Parsing XML with CDATA with JQuery http://stackoverflow.com/questions/652159/parsing-xml-with-cdata-with-jquery writability for hand authoring machine generated XML should really just use entity encoding in the normal fashion. Usually the server app should be using proper XML tools to generate the response in which case this will be done automatically...
assign C# string of array or string[] to javascript array http://stackoverflow.com/questions/9023972/assign-c-sharp-string-of-array-or-string-to-javascript-array a javascript array. http msdn.microsoft.com en us library system.web.script.serialization.javascriptserializer.aspx Usually I create a simple static class as a wrapper. public static class JavaScript public static string Serialize object o JavaScriptSerializer..
How do I bind Twitter Bootstrap tooltips to dynamically created elements? http://stackoverflow.com/questions/9958825/how-do-i-bind-twitter-bootstrap-tooltips-to-dynamically-created-elements with the typical jquery document .ready function functionality. How can I bind this to dynamically created elements Usually I would do this via the jquery live method. However what is the event that I use to bind I'm just not sure how to hook up..
|