deferred-loading | 易学教程

Understanding jQuery Deferred.pipe()

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问题 I am trying to implement the jQuery Deferred.pipe() method for the following scenario: Add a user in DB via $.ajax() Get response whether user was added correctly or not. If successfully added, get all the user list from server via $.ajax() Display the list via jQuery templates This is something which I tried: var addUserSuccess = function( data ) { if ( data.returnCode !== "success" ) { return $.Deferred().reject('Error saving user'); } getUsers(); } var addUser = function() { return $.ajax

Defer loading and parsing of PrimeFaces JavaScript files

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问题 While analyzing the performance of a JSF 2.1 + PrimeFaces 4.0 webapp with Google PageSpeed, it recommends among others to defer parsing of JavaScript files. On a test page with a <p:layout> and a form with <p:watermark> and <p:fileUpload> which looks like follows ... <p:layout> <p:layoutUnit position="west" size="100">Test</p:layoutUnit> <p:layoutUnit position="center"> <h:form enctype="multipart/form-data"> <p:inputText id="input" /> <p:watermark for="input" value="watermark" /> <p:focus for

Forcing a checkbox bound to a DataSource to update when it has not been viewed yet

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问题 Here is a test framework to show what I am doing: create a new project add a tabbed control on tab 1 put a button on tab 2 put a check box paste this code for its code (use default names for controls) public partial class Form1 : Form { private List<bool> boolList = new List<bool>(); BindingSource bs = new BindingSource(); public Form1() { InitializeComponent(); boolList.Add(false); bs.DataSource = boolList; checkBox1.DataBindings.Add("Checked", bs, ""); this.button1.Click += new System

CSS delivery optimization: How to defer css loading?

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问题 I am trying to optimize the CSS delivery following the google documentation for developers https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery#example As you can see in the example of inlining a small CSS file the critical CSS in inlined in the head and the original small.css is loaded after onload of the page . <html> <head> <style> .blue{color:blue;} </style> </head> <body> <div class=\"blue\"> Hello, world! </div> </body> </html> <noscript><link rel=\"stylesheet\" href=\