diff --git a/src/arrangement.js b/src/arrangement.js
index e6cc418..35b0f6f 100644
--- a/src/arrangement.js
+++ b/src/arrangement.js
@@ -15,5 +15,4 @@ const Arrangement = Object.freeze({
     SPACE_BETWEEN: "space-between",
     SPACE_EVENLY: "space-evenly",
     SPACE_AROUND: "space-around",
-
-})
+});
diff --git a/src/builder.js b/src/builder.js
index bd51fbc..5bd50d2 100644
--- a/src/builder.js
+++ b/src/builder.js
@@ -115,7 +115,7 @@ const builder = {
       * @returns {Component}
       */
      img: function (attr = {}) { return builder.genTag("img", attr); },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
@@ -129,42 +129,42 @@ const builder = {
       * @returns {Component}
       */
      table: function (attr = {}) { return builder.genTag("table", attr) },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
       * @returns {Component}
       */
      tableRow: function (attr = {}) { return builder.genTag("tr", attr) },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
       * @returns {Component}
       */
      tableCell: function (attr = {}) { return builder.genTag("td", attr) },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
       * @returns {Component}
       */
      tableCaption: function (attr = {}) { return builder.genTag("caption", attr) },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
       * @returns {Component}
       */
      tableHeadCell: function (attr = {}) { return builder.genTag("th", attr) },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
       * @returns {Component}
       */
      tableBody: function (attr = {}) { return builder.genTag("tbody", attr) },
-     
+
      /**
       * 
       * @param {Map<string,string>} attr 
@@ -177,19 +177,25 @@ const builder = {
       * @returns {Component}
       */
      tableFooter: function (attr = {}) { return builder.genTag("tfoot", attr) },
+     /**
+      * 
+      * @param {Map<string,string>} attr 
+      * @returns {Component}
+      */
+     iframe: function (attr = {}) { return builder.genTag("iframe", attr) },
 
      /**
       * 
       * @param {Map<string,string>} attr 
       * @returns {Component}
       */
-     form: function (attr = {}) { 
+     form: function (attr = {}) {
           return builder.genTag("form", attr)
-          .addStyleClass("flex-container-component") 
-          .chainModifier()
-          .setStyleRule("flex-direction", "column")
-          .ensureModifier()
-          .toComponent()
+               .addStyleClass("flex-container-component")
+               .chainModifier()
+               .setStyleRule("flex-direction", "column")
+               .ensureModifier()
+               .toComponent()
      },
 
      /**
@@ -212,14 +218,14 @@ const builder = {
       */
      page: function (innerComponents) {
           let main = document.querySelector('main')
-          
+
           main.parentElement.insertAdjacentElement(
                "afterbegin",
                builder.genTag("main")
-               .alignment(Alignment.CENTER)
-               .arrangement(Arrangement.CENTER)
-               .childContext(innerComponents)
-               .generate()
+                    .alignment(Alignment.CENTER)
+                    .arrangement(Arrangement.CENTER)
+                    .childContext(innerComponents)
+                    .generate()
           )
           Page.generate();
           main.remove();
diff --git a/src/context.js b/src/context.js
index a04a9e5..dc212ea 100644
--- a/src/context.js
+++ b/src/context.js
@@ -8,6 +8,11 @@
 /**
  * The class provides overreaching options for building the website.
  */
+/**
+ * The class provides overreaching options for building the website.
+ * @property {Array<string>} #functionNames
+ * 
+*/
 class PageBuilder {
     #cssClasses;
     #functions;
@@ -27,6 +32,14 @@ class PageBuilder {
      * Registers a function to be added later in a script tag in the head of the document.
      * @ATTENTION Be careful with intended empty strings (e.g. in variable values), 
      *              empty strings within the function code will be shrunk.
+    /**
+     * Registers a function to be added later in a script tag in the head of the document.
+     * @ATTENTION Be careful with intended empty strings (e.g. in variable values), 
+     *              empty strings within the function code will be shrunk.
+     * @deprecated 'registerFunction' will bew removed. 
+     *             'registerNamedFunction' will be removed. 
+     *             Use 'registerPageFunction' it fully supports registration/adding of functions. 
+     *             All variations of named, unnamed and reassigned, arrow or brakets notation.
      * @param {string} name 
      * @param {function} fun 
      */
@@ -36,7 +49,7 @@ class PageBuilder {
          * @param {string} text 
          * @returns {string}
          */
-        function shrinkEmptyStrings(text){
+        function shrinkEmptyStrings(text) {
             for (let i = 1; i < 10; i++) {
                 text = text.replaceAll("          ".slice(i), ' ');
             }
@@ -49,15 +62,15 @@ class PageBuilder {
                     .replaceAll('\r\n', ' ')
                     .replaceAll('\n\r', ' ')
             );
-            let isFuncWritten = clearedFuncText.startsWith('function'); 
+            let isFuncWritten = clearedFuncText.startsWith('function');
             let funcHasName = fun.name && fun.name.trim() !== '';
-            if(isFuncWritten){
+            if (isFuncWritten) {
                 let isNameInFuncText = clearedFuncText.startsWith(`function ${name}`);
                 this.#functions.innerText += (funcHasName && isNameInFuncText
                     ? clearedFuncText
-                    : clearedFuncText.replace('function ', 'function '+name)
-                )+'; ';
-            }else{
+                    : clearedFuncText.replace('function ', 'function ' + name)
+                ) + '; ';
+            } else {
                 this.#functions.innerText += `const ${name} = ${clearedFuncText}; `
             }
             this.#functionNames.push(name);
@@ -65,7 +78,14 @@ class PageBuilder {
         return this;
     }
 
-
+    /**
+     * @deprecated 'registerFunction' will bew removed. 
+     *             'registerNamedFunction' will be removed. 
+     *             Use 'registerPageFunction' it fully supports registration of functions. 
+     *             All variations of named, unnamed and reassigned, arrow or brakets notation.
+     * @param {Function} namedFunction 
+     * @returns 
+     */
     registerNamedFunction(namedFunction) {
         return this.registerFunction(namedFunction.name, namedFunction)
     }
@@ -158,6 +178,11 @@ class PageBuilder {
 
     /**
      * 
+
+    /**
+     * Little helper function.
+     * If a single page application is in development.
+     * This method sets an autoreload interval for the page.
      * @param {number} relaunchSeconds timeinterval for page to reload (changes)
      */
     inDev(relaunchSeconds = 20) {