 JS
        JS  
      JavaScriptの配列宣言を極める最強の6つの方法    
   JS
        JS   HTML
        HTML   PHP
        PHP   CSS
        CSS   COBOL
        COBOL   PHP
        PHP   HTML
        HTML   Python
        Python   Objctive-C
        Objctive-C   C++
        C++   C++
        C++   Swift
        Swift   HTML
            HTML     Kotlin
            Kotlin     Kotlin
            Kotlin     COBOL
            COBOL     C++
            C++     Ruby
            Ruby     C++
            C++     COBOL
            COBOL     COBOL
            COBOL     TypeScript
            TypeScript