Class selector names must start with a period when using getStyleDeclaration() : CSS Selector « Style « Flex

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Flex » Style » CSS Selector Screenshots  Class selector names must start with a period when using getStyleDeclaration()           <?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">     <mx:Style>     .myFontStyle {       fontSize: 15;       color: #9933FF;     }     </mx:Style>     <mx:Script>     public function changeStyles(e:Event):void {          StyleManager.getStyleDeclaration('.myFontStyle').setStyle('color',0x0000CC);     }   </mx:Script>     <mx:Button id="myButton" label="Click Here" styleName="myFontStyle" click="changeStyles(event)"/> </mx:Application>                                                Related examples in the same category 1. Applying behaviors in MXML using styles type selector 2. Using compound selectors 3. Selector precedence between style name and style name with namespace 4. Define a class and a type selector in the tag: 5. Define textDecoration, a noninheriting property, to the global selector 6. Use getStyleDeclaration() to apply the styles with the global selector 7. Set new class selectors on different targets 8. Define a class selector and a type selector in the tag 9. Using class selectors for axis styles 10. Defines colors for each of the series by setting the value of the fill style property in the custom class selectors: 11. Define a class selector 12. Style class selector on different targets 13. Define multiple style properties in each selector by separating each property with a semicolon 14. Type Selector Inheritance 15. Class selector names must start with a period when you access them with the getStyleDeclaration() method 16. Compound Selectors 17. An id selector 18. Four selectors 19. SubComponent Styles Selector 20. A class and a type selector in the tag: 21. Global Type Selector 22. Use getStyleDeclaration() method to apply the styles with the global selector example shows