Partial postback support for numerical values in animations

Recently, I incorporated an animation into a design:

    .map > img:hover {
        -webkit-animation-name: MapFloatingChrome;
        -webkit-animation-duration: 3s;
        -webkit-animation-iteration-count: infinite;
       ... 
        to {-moz-transform: scale(0.9);}    
    }

The animation runs smoothly, but there's an issue when the page undergoes a partial postback triggered by a Refresh button, which results in an error being thrown in the console:

updateHeadStyles @ Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=ctl00_ScriptManager1_TSM&compress=1&_TSM_CombinedS…:4597
...   
(anonymous function)  @   VM1634:2
b @ Telerik.Web.UI.WebResource.axd?_...

The specific error message is as follows:

Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=ctl00_ScriptManager1_TSM&compress=1&_TSM_CombinedS…:4597 Uncaught SyntaxError: Failed to execute 'insertRule' on 'CSSStyleSheet': Failed to parse the rule ' 65% {-webkit-transform:translate(0, -5px);}'

It appears that the issue may be related to the percentage value (65%) in the CSS rules. So, my question now is: How can I adjust my CSS code to handle this situation even after partial postbacks?

Answer №1

The issue typically arises when there are CSS comments within the <head> section of the HTML document and RadAjax controls are being utilized.

In this particular case, since there are no CSS comments present, it is likely that special symbols like the @ symbol are causing the parsing error for the RadAjaxManager.

To address this problem effectively, consider implementing the following solutions:

  • Transfer the CSS rules to an external stylesheet instead of embedding them inline.

  • Disable the EnablePageHeadUpdate property of the RadAjax control by setting it to false.

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