Ajax in CHROME,IE8,IE9 Synchronous (Sync) mode causes DOM Update latency solution

When a sync-mode Ajax load results in a DOM operation being suspended, the browser with this problem has chrome,ie8,9, etc. (Unknown test),

Example:

The code is as follows	Copy Code
Dialog = New dialog ({}). open (); Sync mode of Ajax $.ajax ({ URL: "Some/url", Async:false,//Load data with Sync call Other params });

In the above code, dialog is a dialog object, normally it should be a pop-up dialog, and then execute Ajax, but this place Ajax uses the Sync method will appear only after the AJAX request to the pop-up box problem (DOM update takes time, Here you can see that some browsers have a lower priority than the sync Ajax.

There are two solutions:

1. Set timeout for sync Ajax, such as 10ms,2. Using async (Asynchronous) method