The code examples for jquery ui accordion ( http://api.jqueryui.com/accordion/#option-icons )
Is wrong (deprecated)
is: $( ".selector" ).accordion({ icons: { "header": "ui-icon-plus", "headerSelected": "ui-icon-minus" } });
should be: $( ".selector" ).accordion({ icons: { "header": "ui-icon-plus", "activeHeader": "ui-icon-minus" } });
is: $( ".selector" ).accordion( "option", "icons", { "header": "ui-icon-plus", "headerSelected": "ui-icon-minus" } );
should be: $( ".selector" ).accordion( "option", "icons", { "header": "ui-icon-plus", "activeHeader": "ui-icon-minus" } );