{"id":59,"date":"2010-02-24T07:47:18","date_gmt":"2010-02-24T07:47:18","guid":{"rendered":"https:\/\/www.taywa.ch\/blog\/?p=59"},"modified":"2010-02-24T07:47:18","modified_gmt":"2010-02-24T07:47:18","slug":"actionscript-3-variabel-typen-prufen","status":"publish","type":"post","link":"https:\/\/www.taywa.ch\/blog\/flash\/as3\/actionscript-3-variabel-typen-prufen\/","title":{"rendered":"ActionScript 3 Variabel-Typen pr\u00fcfen"},"content":{"rendered":"

Problem:<\/strong> Fast alle Variabeltypen in AS3 sind Objekte – ein String, ein Array, ein XML, usw… und die Funktion „typeof()“ oder ein IF-statement mit „is“ (zb: if(myVariable is Object){…} ) hilft einem darum nicht weiter.<\/p>\n

L\u00f6sung:<\/strong> Die Funktion „getQualifiedClassName()“ liefert ein String mit der exakten Beschreibung. Actionscript:<\/p>\n

var<\/span> o = new<\/span> Array<\/span>(<\/span>)<\/span>;                                
\n    trace<\/span> (<\/span>"var o = new Array()"<\/span>)<\/span>;
\n    trace<\/span> (<\/span>getQualifiedClassName(<\/span>o)<\/span>)<\/span>;
\n    trace<\/span> (<\/span>typeof<\/span>(<\/span>o)<\/span>)<\/span>;              
\nvar<\/span> o = new<\/span> Object<\/span>(<\/span>)<\/span>;  
\n    trace<\/span> (<\/span>"var o = new Object();"<\/span>)<\/span>;
\n    trace<\/span> (<\/span>getQualifiedClassName(<\/span>o)<\/span>)<\/span>;
\n    trace<\/span> (<\/span>typeof<\/span>(<\/span>o)<\/span>)<\/span>;
\nvar<\/span> o = new<\/span> String<\/span>(<\/span>)<\/span>;
\n    trace<\/span> (<\/span>"var o = new String()"<\/span>)<\/span>;
\n    trace<\/span> (<\/span>getQualifiedClassName(<\/span>o)<\/span>)<\/span>;
\n    trace<\/span> (<\/span>typeof<\/span>(<\/span>o)<\/span>)<\/span>;
\nvar<\/span> o = new<\/span> Number<\/span>(<\/span>)<\/span>
\n    trace<\/span> (<\/span>"var o = new Number()"<\/span>)<\/span>;
\n    trace<\/span> (<\/span>getQualifiedClassName(<\/span>o)<\/span>)<\/span>;
\n    trace<\/span> (<\/span>typeof<\/span>(<\/span>o)<\/span>)<\/span>;                              
\nvar<\/span> o = 3.14<\/span>;
\n    trace<\/span> (<\/span>"var o = 3.14"<\/span>)<\/span>;
\n    trace<\/span> (<\/span>getQualifiedClassName(<\/span>o)<\/span>)<\/span>;
\n    trace<\/span> (<\/span>typeof<\/span>(<\/span>o)<\/span>)<\/span>;<\/div>\n

Ausgabe:<\/p>\n

var<\/span> o = new<\/span> Array<\/span>(<\/span>)<\/span>
\nArray<\/span>
\nobject<\/span>
\nvar<\/span> o = new<\/span> Object<\/span>(<\/span>)<\/span>;
\nObject<\/span>
\nobject<\/span>
\nvar<\/span> o = new<\/span> String<\/span>(<\/span>)<\/span>
\nString<\/span>
\nstring<\/span>
\nvar<\/span> o = new<\/span> Number<\/span>(<\/span>)<\/span>
\nint<\/span>
\nnumber<\/span>
\nvar<\/span> o = 3.14<\/span>
\nNumber<\/span>
\nnumber<\/span><\/div>\n

Die Dokumentationsseite der Funktion:
\nhttp:\/\/help.adobe.com\/de_DE\/AS3LCR\/Flash_10.0\/flash\/utils\/package.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Problem: Fast alle Variabeltypen in AS3 sind Objekte – ein String, ein Array, ein XML, usw… und die Funktion „typeof()“ oder ein IF-statement mit „is“ (zb: if(myVariable is Object){…} ) hilft einem darum nicht weiter. L\u00f6sung: Die Funktion „getQualifiedClassName()“ liefert ein String mit der exakten Beschreibung. Actionscript: var o = new Array();      <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[182,42],"class_list":["post-59","post","type-post","status-publish","format-standard","hentry","category-as3","tag-as3","tag-typecheck"],"_links":{"self":[{"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/posts\/59","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":1,"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/posts\/59\/revisions"}],"predecessor-version":[{"id":60,"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/posts\/59\/revisions\/60"}],"wp:attachment":[{"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/media?parent=59"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/categories?post=59"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taywa.ch\/blog\/wp-json\/wp\/v2\/tags?post=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}