jquery-chaining | 易学教程

jQuery .animate/.each chaining

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问题 I'm trying to combine matching something like: $(".item").each(function(i) { //animation here }); with jQuery's inherent chaining functionality that forces the animation to wait until the previous animation has completed, e.g.: $(".item").each(function(i) { $(this).animate({marginLeft:"0"}, 60); }); And then trigger a .load function after the animations have completed. Basically, I want to fade four items out in order [one after the next, not all at once], then load four new items into the

Chain of Jquery Promises

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问题 I have a simple chain of events: Get Columns from a metaData table (async) load selected columns (async) render list I used to just the chain these functions, each calling the next when it had completed. However, its not very obvious what's going (calling getColumnsFromMeta results in the view being populated). So in the interest of clarity and code re-use I'd like to refactor these using JQuery Promises . I have used promises before. But how do I chain more than two? getColumnsFromMeta ()

Write a jQuery Plugin that return values

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问题 I'm writing a jQuery plugin that stores some data in some cases. I'd like to write it in a very flexible way, where I'll can change an input parameter to obtain some value that were stored by the plugin. Explanation: When I call $("#any").myPlugin() , my plugin initializes creating a div and some a inside. Clicking on an a will store it .index() using the .data() method. If I call $("#any").myPlugin("getSelection") then I would like to get the value stored with .data() . What I'd tried:

Linking Bootstrap tabs to server urls

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问题 Looks like there's been much discussion on this already, but I just can't get my code work. I have a Django project and templates with Bootstrap tab pills. I am trying to bind tab menu pills to my Django project's urls. And I just can't get read of Uncaught Error: Syntax error, unrecognized expression: /employee_user_info/40/ error on client side. Here's my code: HTML: <div class="container"> <h2>{{person_details_form.second_nm_rus.value}} {{person_details_form.first_nm_rus.value}} {{person

Write a jQuery Plugin that return values

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I'm writing a jQuery plugin that stores some data in some cases. I'd like to write it in a very flexible way, where I'll can change an input parameter to obtain some value that were stored by the plugin. Explanation: When I call $("#any").myPlugin() , my plugin initializes creating a div and some a inside. Clicking on an a will store it .index() using the .data() method. If I call $("#any").myPlugin("getSelection") then I would like to get the value stored with .data() . What I'd tried: (function ($) { $.fn.myPlugin = function (action) { if (action == null) action = "initialize"; return this

Chain of Jquery Promises

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I have a simple chain of events: Get Columns from a metaData table (async) load selected columns (async) render list I used to just the chain these functions, each calling the next when it had completed. However, its not very obvious what's going (calling getColumnsFromMeta results in the view being populated). So in the interest of clarity and code re-use I'd like to refactor these using JQuery Promises . I have used promises before. But how do I chain more than two? getColumnsFromMeta ().then(loadSourceFromDatabase /*some arguments*/) //.then(renderList)?; Here's an example of the

When should I use jQuery deferred's “then” method and when should I use the “pipe” method?

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jQuery's Deferred has two functions which can be used to implement asynchronous chaining of functions: then() deferred.then( doneCallbacks, failCallbacks ) Returns: Deferred doneCallbacks A function, or array of functions, called when the Deferred is resolved. failCallbacks A function, or array of functions, called when the Deferred is rejected. pipe() deferred.pipe( [doneFilter] [, failFilter] ) Returns: Promise doneFilter An optional function that is called when the Deferred is resolved. failFilter An optional function that is called when the Deferred is rejected. I know then() has been

When should I use jQuery deferred's “then” method and when should I use the “pipe” method?

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问题 jQuery\'s Deferred has two functions which can be used to implement asynchronous chaining of functions: then() deferred.then( doneCallbacks, failCallbacks ) Returns: Deferred doneCallbacks A function, or array of functions, called when the Deferred is resolved. failCallbacks A function, or array of functions, called when the Deferred is rejected. pipe() deferred.pipe( [doneFilter] [, failFilter] ) Returns: Promise doneFilter An optional function that is called when the Deferred is resolved.