Sys.UI.Control removeCssClass Method
Removes a CSS class from the HTML Document Object Model (DOM) element that the control is attached to.
var a = new Sys.UI.MyControl(domElementObj); a.removeCssClass(className);
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Removes a CSS class from the HTML Document Object Model (DOM) element that the control is attached to.
var a = new Sys.UI.MyControl(domElementObj); a.removeCssClass(className);